20046465640

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4865647}}^1$

素因数の和:4865761

約数の個数: 32

約数和(自身を含む): 45542465280

約数和(自身を除く): 25495999640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 4865647, 9731294, 19462588, 24328235, 38925176, 48656470, 97312940, 194625880, 501161641, 1002323282, 2004646564, 2505808205, 4009293128, 5011616410, 10023232820, 20046465640]

約数ペア:

[(1, 20046465640), (2, 10023232820), (4, 5011616410), (5, 4009293128), (8, 2505808205), (10, 2004646564), (20, 1002323282), (40, 501161641), (103, 194625880), (206, 97312940), (412, 48656470), (515, 38925176), (824, 24328235), (1030, 19462588), (2060, 9731294), (4120, 4865647)]