201320201660

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{42117197}}^1$

素因数の和:42117445

約数の個数: 24

約数和(自身を含む): 424541355840

約数和(自身を除く): 223221154180

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 42117197, 84234394, 168468788, 210585985, 421171970, 842343940, 10066010083, 20132020166, 40264040332, 50330050415, 100660100830, 201320201660]

約数ペア:

[(1, 201320201660), (2, 100660100830), (4, 50330050415), (5, 40264040332), (10, 20132020166), (20, 10066010083), (239, 842343940), (478, 421171970), (956, 210585985), (1195, 168468788), (2390, 84234394), (4780, 42117197)]