20543669140

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6301739}}^1$

素因数の和:6301911

約数の個数: 24

約数和(自身を含む): 43406385120

約数和(自身を除く): 22862715980

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 6301739, 12603478, 25206956, 31508695, 63017390, 126034780, 1027183457, 2054366914, 4108733828, 5135917285, 10271834570, 20543669140]

約数ペア:

[(1, 20543669140), (2, 10271834570), (4, 5135917285), (5, 4108733828), (10, 2054366914), (20, 1027183457), (163, 126034780), (326, 63017390), (652, 31508695), (815, 25206956), (1630, 12603478), (3260, 6301739)]