20505260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{33073}}^1$

素因数の和:33113

約数の個数: 24

約数和(自身を含む): 44451456

約数和(自身を除く): 23946196

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 33073, 66146, 132292, 165365, 330730, 661460, 1025263, 2050526, 4101052, 5126315, 10252630, 20505260]

約数ペア:

[(1, 20505260), (2, 10252630), (4, 5126315), (5, 4101052), (10, 2050526), (20, 1025263), (31, 661460), (62, 330730), (124, 165365), (155, 132292), (310, 66146), (620, 33073)]