20131870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{461}}^1$

素因数の和:876

約数の個数: 32

約数和(自身を含む): 39717216

約数和(自身を除く): 19585346

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 397, 461, 794, 922, 1985, 2305, 3970, 4367, 4610, 5071, 8734, 10142, 21835, 25355, 43670, 50710, 183017, 366034, 915085, 1830170, 2013187, 4026374, 10065935, 20131870]

約数ペア:

[(1, 20131870), (2, 10065935), (5, 4026374), (10, 2013187), (11, 1830170), (22, 915085), (55, 366034), (110, 183017), (397, 50710), (461, 43670), (794, 25355), (922, 21835), (1985, 10142), (2305, 8734), (3970, 5071), (4367, 4610)]