20199111640

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^2\times {\mathrm{47599}}^1$

素因数の和:47816

約数の個数: 48

約数和(自身を含む): 45894492000

約数和(自身を除く): 25695380360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 10609, 21218, 42436, 47599, 53045, 84872, 95198, 106090, 190396, 212180, 237995, 380792, 424360, 475990, 951980, 1903960, 4902697, 9805394, 19610788, 24513485, 39221576, 49026970, 98053940, 196107880, 504977791, 1009955582, 2019911164, 2524888955, 4039822328, 5049777910, 10099555820, 20199111640]

約数ペア:

[(1, 20199111640), (2, 10099555820), (4, 5049777910), (5, 4039822328), (8, 2524888955), (10, 2019911164), (20, 1009955582), (40, 504977791), (103, 196107880), (206, 98053940), (412, 49026970), (515, 39221576), (824, 24513485), (1030, 19610788), (2060, 9805394), (4120, 4902697), (10609, 1903960), (21218, 951980), (42436, 475990), (47599, 424360), (53045, 380792), (84872, 237995), (95198, 212180), (106090, 190396)]