20177792

素因数分解:

$2^7\times {\mathrm{157639}}^1$

素因数の和:157653

約数の個数: 16

約数和(自身を含む): 40198200

約数和(自身を除く): 20020408

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157639, 315278, 630556, 1261112, 2522224, 5044448, 10088896, 20177792]

約数ペア:

[(1, 20177792), (2, 10088896), (4, 5044448), (8, 2522224), (16, 1261112), (32, 630556), (64, 315278), (128, 157639)]