20817176

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{63467}}^1$

素因数の和:63514

約数の個数: 16

約数和(自身を含む): 39984840

約数和(自身を除く): 19167664

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 63467, 126934, 253868, 507736, 2602147, 5204294, 10408588, 20817176]

約数ペア:

[(1, 20817176), (2, 10408588), (4, 5204294), (8, 2602147), (41, 507736), (82, 253868), (164, 126934), (328, 63467)]