20038568

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 41879040

約数和(自身を除く): 21840472

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 127, 163, 242, 254, 326, 484, 508, 652, 968, 1016, 1304, 1397, 1793, 2794, 3586, 5588, 7172, 11176, 14344, 15367, 19723, 20701, 30734, 39446, 41402, 61468, 78892, 82804, 122936, 157784, 165608, 227711, 455422, 910844, 1821688, 2504821, 5009642, 10019284, 20038568]

約数ペア:

[(1, 20038568), (2, 10019284), (4, 5009642), (8, 2504821), (11, 1821688), (22, 910844), (44, 455422), (88, 227711), (121, 165608), (127, 157784), (163, 122936), (242, 82804), (254, 78892), (326, 61468), (484, 41402), (508, 39446), (652, 30734), (968, 20701), (1016, 19723), (1304, 15367), (1397, 14344), (1793, 11176), (2794, 7172), (3586, 5588)]