20172876458

素因数分解:

$2^1\times 7^1\times {\mathrm{4091}}^1\times {\mathrm{352217}}^1$

素因数の和:356317

約数の個数: 16

約数和(自身を含む): 34590625344

約数和(自身を除く): 14417748886

約数列:

[1, 2, 7, 14, 4091, 8182, 28637, 57274, 352217, 704434, 2465519, 4931038, 1440919747, 2881839494, 10086438229, 20172876458]

約数ペア:

[(1, 20172876458), (2, 10086438229), (7, 2881839494), (14, 1440919747), (4091, 4931038), (8182, 2465519), (28637, 704434), (57274, 352217)]