20617604

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23753}}^1$

素因数の和:23795

約数の個数: 24

約数和(自身を含む): 42567168

約数和(自身を除く): 21949564

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 23753, 47506, 95012, 166271, 332542, 665084, 736343, 1472686, 2945372, 5154401, 10308802, 20617604]

約数ペア:

[(1, 20617604), (2, 10308802), (4, 5154401), (7, 2945372), (14, 1472686), (28, 736343), (31, 665084), (62, 332542), (124, 166271), (217, 95012), (434, 47506), (868, 23753)]