669242020

素因数分解:

$2^2\times 5^1\times {\mathrm{7207}}^1\times {\mathrm{4643}}^1$

素因数の和:11859

約数の個数: 24

約数和(自身を含む): 1405905984

約数和(自身を除く): 736663964

約数列:

[1, 2, 4, 5, 10, 20, 4643, 7207, 9286, 14414, 18572, 23215, 28828, 36035, 46430, 72070, 92860, 144140, 33462101, 66924202, 133848404, 167310505, 334621010, 669242020]

約数ペア:

[(1, 669242020), (2, 334621010), (4, 167310505), (5, 133848404), (10, 66924202), (20, 33462101), (4643, 144140), (7207, 92860), (9286, 72070), (14414, 46430), (18572, 36035), (23215, 28828)]