20556472

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{82889}}^1$

素因数の和:82926

約数の個数: 16

約数和(自身を含む): 39787200

約数和(自身を除く): 19230728

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 82889, 165778, 331556, 663112, 2569559, 5139118, 10278236, 20556472]

約数ペア:

[(1, 20556472), (2, 10278236), (4, 5139118), (8, 2569559), (31, 663112), (62, 331556), (124, 165778), (248, 82889)]