20980531

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6379}}^1$

素因数の和:6426

約数の個数: 16

約数和(自身を含む): 25724160

約数和(自身を除く): 4743629

約数列:

[1, 11, 13, 23, 143, 253, 299, 3289, 6379, 70169, 82927, 146717, 912197, 1613887, 1907321, 20980531]

約数ペア:

[(1, 20980531), (11, 1907321), (13, 1613887), (23, 912197), (143, 146717), (253, 82927), (299, 70169), (3289, 6379)]