20403957608

素因数分解:

$2^3\times {\mathrm{16453}}^1\times {\mathrm{155017}}^1$

素因数の和:171476

約数の個数: 16

約数和(自身を含む): 38259992580

約数和(自身を除く): 17856034972

約数列:

[1, 2, 4, 8, 16453, 32906, 65812, 131624, 155017, 310034, 620068, 1240136, 2550494701, 5100989402, 10201978804, 20403957608]

約数ペア:

[(1, 20403957608), (2, 10201978804), (4, 5100989402), (8, 2550494701), (16453, 1240136), (32906, 620068), (65812, 310034), (131624, 155017)]