20407460

素因数分解:

$2^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{1951}}^1$

素因数の和:2483

約数の個数: 24

約数和(自身を含む): 42959616

約数和(自身を除く): 22552156

約数列:

[1, 2, 4, 5, 10, 20, 523, 1046, 1951, 2092, 2615, 3902, 5230, 7804, 9755, 10460, 19510, 39020, 1020373, 2040746, 4081492, 5101865, 10203730, 20407460]

約数ペア:

[(1, 20407460), (2, 10203730), (4, 5101865), (5, 4081492), (10, 2040746), (20, 1020373), (523, 39020), (1046, 19510), (1951, 10460), (2092, 9755), (2615, 7804), (3902, 5230)]