20301040

素因数分解:

$2^4\times 5^1\times {\mathrm{253763}}^1$

素因数の和:253776

約数の個数: 20

約数和(自身を含む): 47200104

約数和(自身を除く): 26899064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 253763, 507526, 1015052, 1268815, 2030104, 2537630, 4060208, 5075260, 10150520, 20301040]

約数ペア:

[(1, 20301040), (2, 10150520), (4, 5075260), (5, 4060208), (8, 2537630), (10, 2030104), (16, 1268815), (20, 1015052), (40, 507526), (80, 253763)]