20862008

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{84121}}^1$

素因数の和:84158

約数の個数: 16

約数和(自身を含む): 40378560

約数和(自身を除く): 19516552

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 84121, 168242, 336484, 672968, 2607751, 5215502, 10431004, 20862008]

約数ペア:

[(1, 20862008), (2, 10431004), (4, 5215502), (8, 2607751), (31, 672968), (62, 336484), (124, 168242), (248, 84121)]