30509620

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{20897}}^1$

素因数の和:20979

約数の個数: 24

約数和(自身を含む): 64950984

約数和(自身を除く): 34441364

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 20897, 41794, 83588, 104485, 208970, 417940, 1525481, 3050962, 6101924, 7627405, 15254810, 30509620]

約数ペア:

[(1, 30509620), (2, 15254810), (4, 7627405), (5, 6101924), (10, 3050962), (20, 1525481), (73, 417940), (146, 208970), (292, 104485), (365, 83588), (730, 41794), (1460, 20897)]