20677519408

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:596

約数の個数: 240

約数和(自身を含む): 51779602560

約数和(自身を除く): 31102083152

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 61, 79, 91, 98, 104, 112, 122, 158, 182, 196, 208, 244, 316, 364, 392, 421, 427, 488, 553, 632, 637, 728, 784, 793, 842, 854, 976, 1027, 1106, 1264, 1274, 1456, 1586, 1684, 1708, 2054, 2212, 2548, 2947, 2989, 3172, 3368, 3416, 3871, 4108, 4424, 4819, 5096, 5473, 5551, 5894, 5978, 6344, 6736, 6832, 7189, 7742, 8216, 8848, 9638, 10192, 10946, 11102, 11788, 11956, 12688, 14378, 15484, 16432, 19276, 20629, 21892, 22204, 23576, 23912, 25681, 28756, 30968, 33259, 33733, 38311, 38552, 38857, 41258, 43784, 44408, 47152, 47824, 50323, 51362, 57512, 61936, 62647, 66518, 67466, 76622, 77104, 77714, 82516, 87568, 88816, 100646, 102724, 115024, 125294, 133036, 134932, 153244, 155428, 165032, 179767, 201292, 205448, 232813, 236131, 250588, 266072, 268177, 269864, 306488, 310856, 330064, 333853, 359534, 402584, 410896, 432367, 438529, 465626, 472262, 501176, 532144, 536354, 539728, 612976, 621712, 667706, 719068, 805168, 864734, 877058, 931252, 944524, 1002352, 1072708, 1258369, 1335412, 1438136, 1629691, 1729468, 1754116, 1862504, 1889048, 2028799, 2145416, 2336971, 2516738, 2670824, 2876272, 3026569, 3069703, 3259382, 3458936, 3508232, 3725008, 3778096, 4057598, 4290832, 4673942, 5033476, 5341648, 6053138, 6139406, 6518764, 6917872, 7016464, 8115196, 9347884, 10066952, 12106276, 12278812, 13037528, 14201593, 16230392, 16358797, 18695768, 20133904, 21185983, 24212552, 24557624, 26075056, 26374387, 28403186, 32460784, 32717594, 37391536, 42371966, 48425104, 49115248, 52748774, 56806372, 65435188, 84743932, 99411151, 105497548, 113612744, 130870376, 169487864, 184620709, 198822302, 210995096, 227225488, 261740752, 338975728, 369241418, 397644604, 421990192, 738482836, 795289208, 1292344963, 1476965672, 1590578416, 2584689926, 2953931344, 5169379852, 10338759704, 20677519408]

約数ペア:

[(1, 20677519408), (2, 10338759704), (4, 5169379852), (7, 2953931344), (8, 2584689926), (13, 1590578416), (14, 1476965672), (16, 1292344963), (26, 795289208), (28, 738482836), (49, 421990192), (52, 397644604), (56, 369241418), (61, 338975728), (79, 261740752), (91, 227225488), (98, 210995096), (104, 198822302), (112, 184620709), (122, 169487864), (158, 130870376), (182, 113612744), (196, 105497548), (208, 99411151), (244, 84743932), (316, 65435188), (364, 56806372), (392, 52748774), (421, 49115248), (427, 48425104), (488, 42371966), (553, 37391536), (632, 32717594), (637, 32460784), (728, 28403186), (784, 26374387), (793, 26075056), (842, 24557624), (854, 24212552), (976, 21185983), (1027, 20133904), (1106, 18695768), (1264, 16358797), (1274, 16230392), (1456, 14201593), (1586, 13037528), (1684, 12278812), (1708, 12106276), (2054, 10066952), (2212, 9347884), (2548, 8115196), (2947, 7016464), (2989, 6917872), (3172, 6518764), (3368, 6139406), (3416, 6053138), (3871, 5341648), (4108, 5033476), (4424, 4673942), (4819, 4290832), (5096, 4057598), (5473, 3778096), (5551, 3725008), (5894, 3508232), (5978, 3458936), (6344, 3259382), (6736, 3069703), (6832, 3026569), (7189, 2876272), (7742, 2670824), (8216, 2516738), (8848, 2336971), (9638, 2145416), (10192, 2028799), (10946, 1889048), (11102, 1862504), (11788, 1754116), (11956, 1729468), (12688, 1629691), (14378, 1438136), (15484, 1335412), (16432, 1258369), (19276, 1072708), (20629, 1002352), (21892, 944524), (22204, 931252), (23576, 877058), (23912, 864734), (25681, 805168), (28756, 719068), (30968, 667706), (33259, 621712), (33733, 612976), (38311, 539728), (38552, 536354), (38857, 532144), (41258, 501176), (43784, 472262), (44408, 465626), (47152, 438529), (47824, 432367), (50323, 410896), (51362, 402584), (57512, 359534), (61936, 333853), (62647, 330064), (66518, 310856), (67466, 306488), (76622, 269864), (77104, 268177), (77714, 266072), (82516, 250588), (87568, 236131), (88816, 232813), (100646, 205448), (102724, 201292), (115024, 179767), (125294, 165032), (133036, 155428), (134932, 153244)]