20237003216

素因数分解:

$2^4\times {\mathrm{2447}}^1\times {\mathrm{516883}}^1$

素因数の和:519338

約数の個数: 20

約数和(自身を含む): 39225292992

約数和(自身を除く): 18988289776

約数列:

[1, 2, 4, 8, 16, 2447, 4894, 9788, 19576, 39152, 516883, 1033766, 2067532, 4135064, 8270128, 1264812701, 2529625402, 5059250804, 10118501608, 20237003216]

約数ペア:

[(1, 20237003216), (2, 10118501608), (4, 5059250804), (8, 2529625402), (16, 1264812701), (2447, 8270128), (4894, 4135064), (9788, 2067532), (19576, 1033766), (39152, 516883)]