20178394820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53101039}}^1$

素因数の和:53101067

約数の個数: 24

約数和(自身を含む): 44604873600

約数和(自身を除く): 24426478780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 53101039, 106202078, 212404156, 265505195, 531010390, 1008919741, 1062020780, 2017839482, 4035678964, 5044598705, 10089197410, 20178394820]

約数ペア:

[(1, 20178394820), (2, 10089197410), (4, 5044598705), (5, 4035678964), (10, 2017839482), (19, 1062020780), (20, 1008919741), (38, 531010390), (76, 265505195), (95, 212404156), (190, 106202078), (380, 53101039)]