20020992020

素因数分解:

$2^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{2788439}}^1$

素因数の和:2788807

約数の個数: 24

約数和(自身を含む): 42161212800

約数和(自身を除く): 22140220780

約数列:

[1, 2, 4, 5, 10, 20, 359, 718, 1436, 1795, 3590, 7180, 2788439, 5576878, 11153756, 13942195, 27884390, 55768780, 1001049601, 2002099202, 4004198404, 5005248005, 10010496010, 20020992020]

約数ペア:

[(1, 20020992020), (2, 10010496010), (4, 5005248005), (5, 4004198404), (10, 2002099202), (20, 1001049601), (359, 55768780), (718, 27884390), (1436, 13942195), (1795, 11153756), (3590, 5576878), (7180, 2788439)]