20006975

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 25779600

約数和(自身を除く): 5772625

約数列:

[1, 5, 25, 41, 131, 149, 205, 655, 745, 1025, 3275, 3725, 5371, 6109, 19519, 26855, 30545, 97595, 134275, 152725, 487975, 800279, 4001395, 20006975]

約数ペア:

[(1, 20006975), (5, 4001395), (25, 800279), (41, 487975), (131, 152725), (149, 134275), (205, 97595), (655, 30545), (745, 26855), (1025, 19519), (3275, 6109), (3725, 5371)]