20672703

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2281}}^1$

素因数の和:2359

約数の個数: 24

約数和(自身を含む): 32039280

約数和(自身を除く): 11366577

約数列:

[1, 3, 9, 19, 53, 57, 159, 171, 477, 1007, 2281, 3021, 6843, 9063, 20529, 43339, 120893, 130017, 362679, 390051, 1088037, 2296967, 6890901, 20672703]

約数ペア:

[(1, 20672703), (3, 6890901), (9, 2296967), (19, 1088037), (53, 390051), (57, 362679), (159, 130017), (171, 120893), (477, 43339), (1007, 20529), (2281, 9063), (3021, 6843)]