20999792

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{10847}}^1$

素因数の和:10877

約数の個数: 30

約数和(自身を含む): 44726304

約数和(自身を除く): 23726512

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 10847, 21694, 43388, 86776, 119317, 173552, 238634, 477268, 954536, 1312487, 1909072, 2624974, 5249948, 10499896, 20999792]

約数ペア:

[(1, 20999792), (2, 10499896), (4, 5249948), (8, 2624974), (11, 1909072), (16, 1312487), (22, 954536), (44, 477268), (88, 238634), (121, 173552), (176, 119317), (242, 86776), (484, 43388), (968, 21694), (1936, 10847)]