20450450

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{17783}}^1$

素因数の和:17818

約数の個数: 24

約数和(自身を含む): 39693888

約数和(自身を除く): 19243438

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 575, 1150, 17783, 35566, 88915, 177830, 409009, 444575, 818018, 889150, 2045045, 4090090, 10225225, 20450450]

約数ペア:

[(1, 20450450), (2, 10225225), (5, 4090090), (10, 2045045), (23, 889150), (25, 818018), (46, 444575), (50, 409009), (115, 177830), (230, 88915), (575, 35566), (1150, 17783)]