20161255788

素因数分解:

$2^2\times 3^2\times {\mathrm{521}}^1\times {\mathrm{1074923}}^1$

素因数の和:1075454

約数の個数: 36

約数和(自身を含む): 51061039848

約数和(自身を除く): 30899784060

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 521, 1042, 1563, 2084, 3126, 4689, 6252, 9378, 18756, 1074923, 2149846, 3224769, 4299692, 6449538, 9674307, 12899076, 19348614, 38697228, 560034883, 1120069766, 1680104649, 2240139532, 3360209298, 5040313947, 6720418596, 10080627894, 20161255788]

約数ペア:

[(1, 20161255788), (2, 10080627894), (3, 6720418596), (4, 5040313947), (6, 3360209298), (9, 2240139532), (12, 1680104649), (18, 1120069766), (36, 560034883), (521, 38697228), (1042, 19348614), (1563, 12899076), (2084, 9674307), (3126, 6449538), (4689, 4299692), (6252, 3224769), (9378, 2149846), (18756, 1074923)]