2097740

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1979}}^1$

素因数の和:2041

約数の個数: 24

約数和(自身を含む): 4490640

約数和(自身を除く): 2392900

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 1979, 3958, 7916, 9895, 19790, 39580, 104887, 209774, 419548, 524435, 1048870, 2097740]

約数ペア:

[(1, 2097740), (2, 1048870), (4, 524435), (5, 419548), (10, 209774), (20, 104887), (53, 39580), (106, 19790), (212, 9895), (265, 7916), (530, 3958), (1060, 1979)]