20179898

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{659}}^1$

素因数の和:973

約数の個数: 16

約数和(自身を含む): 30935520

約数和(自身を除く): 10755622

約数列:

[1, 2, 61, 122, 251, 502, 659, 1318, 15311, 30622, 40199, 80398, 165409, 330818, 10089949, 20179898]

約数ペア:

[(1, 20179898), (2, 10089949), (61, 330818), (122, 165409), (251, 80398), (502, 40199), (659, 30622), (1318, 15311)]