20343076820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1471}}^1\times {\mathrm{62861}}^1$

素因数の和:64352

約数の個数: 48

約数和(自身を含む): 46636563456

約数和(自身を除く): 26293486636

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1471, 2942, 5884, 7355, 14710, 16181, 29420, 32362, 62861, 64724, 80905, 125722, 161810, 251444, 314305, 323620, 628610, 691471, 1257220, 1382942, 2765884, 3457355, 6914710, 13829420, 92468531, 184937062, 369874124, 462342655, 924685310, 1017153841, 1849370620, 2034307682, 4068615364, 5085769205, 10171538410, 20343076820]

約数ペア:

[(1, 20343076820), (2, 10171538410), (4, 5085769205), (5, 4068615364), (10, 2034307682), (11, 1849370620), (20, 1017153841), (22, 924685310), (44, 462342655), (55, 369874124), (110, 184937062), (220, 92468531), (1471, 13829420), (2942, 6914710), (5884, 3457355), (7355, 2765884), (14710, 1382942), (16181, 1257220), (29420, 691471), (32362, 628610), (62861, 323620), (64724, 314305), (80905, 251444), (125722, 161810)]