20217262208

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{953}}^1$

素因数の和:1071

約数の個数: 256

約数和(自身を含む): 50678006400

約数和(自身を除く): 30460744192

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 32, 38, 44, 52, 61, 64, 76, 88, 104, 122, 128, 143, 152, 176, 208, 209, 244, 247, 286, 304, 352, 416, 418, 488, 494, 572, 608, 671, 704, 793, 832, 836, 953, 976, 988, 1144, 1159, 1216, 1342, 1408, 1586, 1664, 1672, 1906, 1952, 1976, 2288, 2318, 2432, 2684, 2717, 3172, 3344, 3812, 3904, 3952, 4576, 4636, 5368, 5434, 6344, 6688, 7624, 7808, 7904, 8723, 9152, 9272, 10483, 10736, 10868, 12389, 12688, 12749, 13376, 15067, 15248, 15808, 17446, 18107, 18304, 18544, 20966, 21472, 21736, 24778, 25376, 25498, 26752, 30134, 30496, 31616, 34892, 36214, 37088, 41932, 42944, 43472, 49556, 50752, 50996, 58133, 60268, 60992, 69784, 72428, 74176, 83864, 85888, 86944, 99112, 101504, 101992, 116266, 120536, 121984, 136279, 139568, 144856, 148352, 165737, 167728, 173888, 198224, 199177, 203984, 232532, 235391, 241072, 272558, 279136, 289712, 331474, 335456, 347776, 396448, 398354, 407968, 465064, 470782, 482144, 545116, 558272, 579424, 639463, 662948, 670912, 755729, 792896, 796708, 815936, 930128, 941564, 964288, 1090232, 1104527, 1116544, 1158848, 1278926, 1325896, 1341824, 1511458, 1585792, 1593416, 1631872, 1860256, 1883128, 1928576, 2180464, 2209054, 2317696, 2557852, 2589301, 2651792, 3022916, 3186832, 3720512, 3766256, 4360928, 4418108, 5115704, 5178602, 5303584, 6045832, 6373664, 7441024, 7532512, 8313019, 8721856, 8836216, 10231408, 10357204, 10607168, 12091664, 12149797, 12747328, 14358851, 15065024, 16626038, 17443712, 17672432, 20462816, 20714408, 21214336, 24183328, 24299594, 25494656, 28717702, 30130048, 33252076, 35344864, 40925632, 41428816, 48366656, 48599188, 57435404, 66504152, 70689728, 81851264, 82857632, 96733312, 97198376, 114870808, 133008304, 141379456, 157947361, 165715264, 194396752, 229741616, 266016608, 315894722, 331430528, 388793504, 459483232, 532033216, 631789444, 777587008, 918966464, 1064066432, 1263578888, 1555174016, 1837932928, 2527157776, 5054315552, 10108631104, 20217262208]

約数ペア:

[(1, 20217262208), (2, 10108631104), (4, 5054315552), (8, 2527157776), (11, 1837932928), (13, 1555174016), (16, 1263578888), (19, 1064066432), (22, 918966464), (26, 777587008), (32, 631789444), (38, 532033216), (44, 459483232), (52, 388793504), (61, 331430528), (64, 315894722), (76, 266016608), (88, 229741616), (104, 194396752), (122, 165715264), (128, 157947361), (143, 141379456), (152, 133008304), (176, 114870808), (208, 97198376), (209, 96733312), (244, 82857632), (247, 81851264), (286, 70689728), (304, 66504152), (352, 57435404), (416, 48599188), (418, 48366656), (488, 41428816), (494, 40925632), (572, 35344864), (608, 33252076), (671, 30130048), (704, 28717702), (793, 25494656), (832, 24299594), (836, 24183328), (953, 21214336), (976, 20714408), (988, 20462816), (1144, 17672432), (1159, 17443712), (1216, 16626038), (1342, 15065024), (1408, 14358851), (1586, 12747328), (1664, 12149797), (1672, 12091664), (1906, 10607168), (1952, 10357204), (1976, 10231408), (2288, 8836216), (2318, 8721856), (2432, 8313019), (2684, 7532512), (2717, 7441024), (3172, 6373664), (3344, 6045832), (3812, 5303584), (3904, 5178602), (3952, 5115704), (4576, 4418108), (4636, 4360928), (5368, 3766256), (5434, 3720512), (6344, 3186832), (6688, 3022916), (7624, 2651792), (7808, 2589301), (7904, 2557852), (8723, 2317696), (9152, 2209054), (9272, 2180464), (10483, 1928576), (10736, 1883128), (10868, 1860256), (12389, 1631872), (12688, 1593416), (12749, 1585792), (13376, 1511458), (15067, 1341824), (15248, 1325896), (15808, 1278926), (17446, 1158848), (18107, 1116544), (18304, 1104527), (18544, 1090232), (20966, 964288), (21472, 941564), (21736, 930128), (24778, 815936), (25376, 796708), (25498, 792896), (26752, 755729), (30134, 670912), (30496, 662948), (31616, 639463), (34892, 579424), (36214, 558272), (37088, 545116), (41932, 482144), (42944, 470782), (43472, 465064), (49556, 407968), (50752, 398354), (50996, 396448), (58133, 347776), (60268, 335456), (60992, 331474), (69784, 289712), (72428, 279136), (74176, 272558), (83864, 241072), (85888, 235391), (86944, 232532), (99112, 203984), (101504, 199177), (101992, 198224), (116266, 173888), (120536, 167728), (121984, 165737), (136279, 148352), (139568, 144856)]