20042435

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30139}}^1$

素因数の和:30170

約数の個数: 16

約数和(自身を含む): 28934400

約数和(自身を除く): 8891965

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 30139, 150695, 210973, 572641, 1054865, 2863205, 4008487, 20042435]

約数ペア:

[(1, 20042435), (5, 4008487), (7, 2863205), (19, 1054865), (35, 572641), (95, 210973), (133, 150695), (665, 30139)]