20801674

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1\times {\mathrm{419}}^1$

素因数の和:765

約数の個数: 16

約数和(自身を含む): 31711680

約数和(自身を除く): 10910006

約数列:

[1, 2, 103, 206, 241, 419, 482, 838, 24823, 43157, 49646, 86314, 100979, 201958, 10400837, 20801674]

約数ペア:

[(1, 20801674), (2, 10400837), (103, 201958), (206, 100979), (241, 86314), (419, 49646), (482, 43157), (838, 24823)]