20186455

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2063}}^1$

素因数の和:2190

約数の個数: 16

約数和(自身を含む): 25758720

約数和(自身を除く): 5572265

約数列:

[1, 5, 19, 95, 103, 515, 1957, 2063, 9785, 10315, 39197, 195985, 212489, 1062445, 4037291, 20186455]

約数ペア:

[(1, 20186455), (5, 4037291), (19, 1062445), (95, 212489), (103, 195985), (515, 39197), (1957, 10315), (2063, 9785)]