20219908891

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{9631}}^1\times {\mathrm{23071}}^1$

素因数の和:32722

約数の個数: 16

約数和(自身を含む): 24889704448

約数和(自身を除く): 4669795557

約数列:

[1, 7, 13, 91, 9631, 23071, 67417, 125203, 161497, 299923, 876421, 2099461, 222196801, 1555377607, 2888558413, 20219908891]

約数ペア:

[(1, 20219908891), (7, 2888558413), (13, 1555377607), (91, 222196801), (9631, 2099461), (23071, 876421), (67417, 299923), (125203, 161497)]