20401056

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{5449}}^1$

素因数の和:5478

約数の個数: 72

約数和(自身を含む): 62489700

約数和(自身を除く): 42088644

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 5449, 10898, 16347, 21796, 32694, 43592, 49041, 65388, 70837, 87184, 98082, 130776, 141674, 174368, 196164, 212511, 261552, 283348, 392328, 425022, 523104, 566696, 637533, 784656, 850044, 1133392, 1275066, 1569312, 1700088, 2266784, 2550132, 3400176, 5100264, 6800352, 10200528, 20401056]

約数ペア:

[(1, 20401056), (2, 10200528), (3, 6800352), (4, 5100264), (6, 3400176), (8, 2550132), (9, 2266784), (12, 1700088), (13, 1569312), (16, 1275066), (18, 1133392), (24, 850044), (26, 784656), (32, 637533), (36, 566696), (39, 523104), (48, 425022), (52, 392328), (72, 283348), (78, 261552), (96, 212511), (104, 196164), (117, 174368), (144, 141674), (156, 130776), (208, 98082), (234, 87184), (288, 70837), (312, 65388), (416, 49041), (468, 43592), (624, 32694), (936, 21796), (1248, 16347), (1872, 10898), (3744, 5449)]