20131840405

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1\times {\mathrm{211369}}^1$

素因数の和:211860

約数の個数: 16

約数和(自身を含む): 24775945920

約数和(自身を除く): 4644105515

約数列:

[1, 5, 43, 215, 443, 2215, 19049, 95245, 211369, 1056845, 9088867, 45444335, 93636467, 468182335, 4026368081, 20131840405]

約数ペア:

[(1, 20131840405), (5, 4026368081), (43, 468182335), (215, 93636467), (443, 45444335), (2215, 9088867), (19049, 1056845), (95245, 211369)]