20107918

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{3833}}^1$

素因数の和:3939

約数の個数: 16

約数和(自身を含む): 31377456

約数和(自身を除く): 11269538

約数列:

[1, 2, 43, 61, 86, 122, 2623, 3833, 5246, 7666, 164819, 233813, 329638, 467626, 10053959, 20107918]

約数ペア:

[(1, 20107918), (2, 10053959), (43, 467626), (61, 329638), (86, 233813), (122, 164819), (2623, 7666), (3833, 5246)]