42862420

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{20807}}^1$

素因数の和:20919

約数の個数: 24

約数和(自身を含む): 90889344

約数和(自身を除く): 48026924

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 20807, 41614, 83228, 104035, 208070, 416140, 2143121, 4286242, 8572484, 10715605, 21431210, 42862420]

約数ペア:

[(1, 42862420), (2, 21431210), (4, 10715605), (5, 8572484), (10, 4286242), (20, 2143121), (103, 416140), (206, 208070), (412, 104035), (515, 83228), (1030, 41614), (2060, 20807)]