20697298440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1895357}}^1$

素因数の和:1895391

約数の個数: 128

約数和(自身を含む): 76420834560

約数和(自身を除く): 55723536120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 1895357, 3790714, 5686071, 7581428, 9476785, 11372142, 13267499, 15162856, 18953570, 22744284, 24639641, 26534998, 28430355, 37907140, 39802497, 45488568, 49279282, 53069996, 56860710, 66337495, 73918923, 75814280, 79604994, 98558564, 106139992, 113721420, 123198205, 132674990, 147837846, 159209988, 172477487, 197117128, 199012485, 227442840, 246396410, 265349980, 295675692, 318419976, 344954974, 369594615, 398024970, 492792820, 517432461, 530699960, 591351384, 689909948, 739189230, 796049940, 862387435, 985585640, 1034864922, 1379819896, 1478378460, 1592099880, 1724774870, 2069729844, 2587162305, 2956756920, 3449549740, 4139459688, 5174324610, 6899099480, 10348649220, 20697298440]

約数ペア:

[(1, 20697298440), (2, 10348649220), (3, 6899099480), (4, 5174324610), (5, 4139459688), (6, 3449549740), (7, 2956756920), (8, 2587162305), (10, 2069729844), (12, 1724774870), (13, 1592099880), (14, 1478378460), (15, 1379819896), (20, 1034864922), (21, 985585640), (24, 862387435), (26, 796049940), (28, 739189230), (30, 689909948), (35, 591351384), (39, 530699960), (40, 517432461), (42, 492792820), (52, 398024970), (56, 369594615), (60, 344954974), (65, 318419976), (70, 295675692), (78, 265349980), (84, 246396410), (91, 227442840), (104, 199012485), (105, 197117128), (120, 172477487), (130, 159209988), (140, 147837846), (156, 132674990), (168, 123198205), (182, 113721420), (195, 106139992), (210, 98558564), (260, 79604994), (273, 75814280), (280, 73918923), (312, 66337495), (364, 56860710), (390, 53069996), (420, 49279282), (455, 45488568), (520, 39802497), (546, 37907140), (728, 28430355), (780, 26534998), (840, 24639641), (910, 22744284), (1092, 18953570), (1365, 15162856), (1560, 13267499), (1820, 11372142), (2184, 9476785), (2730, 7581428), (3640, 5686071), (5460, 3790714), (10920, 1895357)]