20510102016

素因数分解:

$2^9\times 3^5\times {\mathrm{353}}^1\times {\mathrm{467}}^1$

素因数の和:853

約数の個数: 240

約数和(自身を含む): 61691613984

約数和(自身を除く): 41181511968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 144, 162, 192, 216, 243, 256, 288, 324, 353, 384, 432, 467, 486, 512, 576, 648, 706, 768, 864, 934, 972, 1059, 1152, 1296, 1401, 1412, 1536, 1728, 1868, 1944, 2118, 2304, 2592, 2802, 2824, 3177, 3456, 3736, 3888, 4203, 4236, 4608, 5184, 5604, 5648, 6354, 6912, 7472, 7776, 8406, 8472, 9531, 10368, 11208, 11296, 12609, 12708, 13824, 14944, 15552, 16812, 16944, 19062, 20736, 22416, 22592, 25218, 25416, 28593, 29888, 31104, 33624, 33888, 37827, 38124, 41472, 44832, 45184, 50436, 50832, 57186, 59776, 62208, 67248, 67776, 75654, 76248, 85779, 89664, 90368, 100872, 101664, 113481, 114372, 119552, 124416, 134496, 135552, 151308, 152496, 164851, 171558, 179328, 180736, 201744, 203328, 226962, 228744, 239104, 268992, 271104, 302616, 304992, 329702, 343116, 358656, 403488, 406656, 453924, 457488, 494553, 537984, 542208, 605232, 609984, 659404, 686232, 717312, 806976, 813312, 907848, 914976, 989106, 1075968, 1210464, 1219968, 1318808, 1372464, 1483659, 1613952, 1626624, 1815696, 1829952, 1978212, 2151936, 2420928, 2439936, 2637616, 2744928, 2967318, 3227904, 3631392, 3659904, 3956424, 4450977, 4841856, 4879872, 5275232, 5489856, 5934636, 6455808, 7262784, 7319808, 7912848, 8901954, 9683712, 10550464, 10979712, 11869272, 13352931, 14525568, 14639616, 15825696, 17803908, 19367424, 21100928, 21959424, 23738544, 26705862, 29051136, 31651392, 35607816, 40058793, 42201856, 43918848, 47477088, 53411724, 58102272, 63302784, 71215632, 80117586, 84403712, 94954176, 106823448, 126605568, 142431264, 160235172, 189908352, 213646896, 253211136, 284862528, 320470344, 379816704, 427293792, 569725056, 640940688, 759633408, 854587584, 1139450112, 1281881376, 1709175168, 2278900224, 2563762752, 3418350336, 5127525504, 6836700672, 10255051008, 20510102016]

約数ペア:

[(1, 20510102016), (2, 10255051008), (3, 6836700672), (4, 5127525504), (6, 3418350336), (8, 2563762752), (9, 2278900224), (12, 1709175168), (16, 1281881376), (18, 1139450112), (24, 854587584), (27, 759633408), (32, 640940688), (36, 569725056), (48, 427293792), (54, 379816704), (64, 320470344), (72, 284862528), (81, 253211136), (96, 213646896), (108, 189908352), (128, 160235172), (144, 142431264), (162, 126605568), (192, 106823448), (216, 94954176), (243, 84403712), (256, 80117586), (288, 71215632), (324, 63302784), (353, 58102272), (384, 53411724), (432, 47477088), (467, 43918848), (486, 42201856), (512, 40058793), (576, 35607816), (648, 31651392), (706, 29051136), (768, 26705862), (864, 23738544), (934, 21959424), (972, 21100928), (1059, 19367424), (1152, 17803908), (1296, 15825696), (1401, 14639616), (1412, 14525568), (1536, 13352931), (1728, 11869272), (1868, 10979712), (1944, 10550464), (2118, 9683712), (2304, 8901954), (2592, 7912848), (2802, 7319808), (2824, 7262784), (3177, 6455808), (3456, 5934636), (3736, 5489856), (3888, 5275232), (4203, 4879872), (4236, 4841856), (4608, 4450977), (5184, 3956424), (5604, 3659904), (5648, 3631392), (6354, 3227904), (6912, 2967318), (7472, 2744928), (7776, 2637616), (8406, 2439936), (8472, 2420928), (9531, 2151936), (10368, 1978212), (11208, 1829952), (11296, 1815696), (12609, 1626624), (12708, 1613952), (13824, 1483659), (14944, 1372464), (15552, 1318808), (16812, 1219968), (16944, 1210464), (19062, 1075968), (20736, 989106), (22416, 914976), (22592, 907848), (25218, 813312), (25416, 806976), (28593, 717312), (29888, 686232), (31104, 659404), (33624, 609984), (33888, 605232), (37827, 542208), (38124, 537984), (41472, 494553), (44832, 457488), (45184, 453924), (50436, 406656), (50832, 403488), (57186, 358656), (59776, 343116), (62208, 329702), (67248, 304992), (67776, 302616), (75654, 271104), (76248, 268992), (85779, 239104), (89664, 228744), (90368, 226962), (100872, 203328), (101664, 201744), (113481, 180736), (114372, 179328), (119552, 171558), (124416, 164851), (134496, 152496), (135552, 151308)]