20541406912

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{367}}^1\times {\mathrm{67273}}^1$

素因数の和:67665

約数の個数: 56

約数和(自身を含む): 44017647296

約数和(自身を除く): 23476240384

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 367, 416, 734, 832, 1468, 2936, 4771, 5872, 9542, 11744, 19084, 23488, 38168, 67273, 76336, 134546, 152672, 269092, 305344, 538184, 874549, 1076368, 1749098, 2152736, 3498196, 4305472, 6996392, 13992784, 24689191, 27985568, 49378382, 55971136, 98756764, 197513528, 320959483, 395027056, 641918966, 790054112, 1283837932, 1580108224, 2567675864, 5135351728, 10270703456, 20541406912]

約数ペア:

[(1, 20541406912), (2, 10270703456), (4, 5135351728), (8, 2567675864), (13, 1580108224), (16, 1283837932), (26, 790054112), (32, 641918966), (52, 395027056), (64, 320959483), (104, 197513528), (208, 98756764), (367, 55971136), (416, 49378382), (734, 27985568), (832, 24689191), (1468, 13992784), (2936, 6996392), (4771, 4305472), (5872, 3498196), (9542, 2152736), (11744, 1749098), (19084, 1076368), (23488, 874549), (38168, 538184), (67273, 305344), (76336, 269092), (134546, 152672)]