20645004

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^2\times {\mathrm{5953}}^1$

素因数の和:5994

約数の個数: 36

約数和(自身を含む): 51180584

約数和(自身を除く): 30535580

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 289, 578, 867, 1156, 1734, 3468, 5953, 11906, 17859, 23812, 35718, 71436, 101201, 202402, 303603, 404804, 607206, 1214412, 1720417, 3440834, 5161251, 6881668, 10322502, 20645004]

約数ペア:

[(1, 20645004), (2, 10322502), (3, 6881668), (4, 5161251), (6, 3440834), (12, 1720417), (17, 1214412), (34, 607206), (51, 404804), (68, 303603), (102, 202402), (204, 101201), (289, 71436), (578, 35718), (867, 23812), (1156, 17859), (1734, 11906), (3468, 5953)]