20664806

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{1423}}^1$

素因数の和:1615

約数の個数: 16

約数和(自身を含む): 31834944

約数和(自身を除く): 11170138

約数列:

[1, 2, 53, 106, 137, 274, 1423, 2846, 7261, 14522, 75419, 150838, 194951, 389902, 10332403, 20664806]

約数ペア:

[(1, 20664806), (2, 10332403), (53, 389902), (106, 194951), (137, 150838), (274, 75419), (1423, 14522), (2846, 7261)]