20996325

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13331}}^1$

素因数の和:13354

約数の個数: 36

約数和(自身を含む): 42982368

約数和(自身を除く): 21986043

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 1575, 13331, 39993, 66655, 93317, 119979, 199965, 279951, 333275, 466585, 599895, 839853, 999825, 1399755, 2332925, 2999475, 4199265, 6998775, 20996325]

約数ペア:

[(1, 20996325), (3, 6998775), (5, 4199265), (7, 2999475), (9, 2332925), (15, 1399755), (21, 999825), (25, 839853), (35, 599895), (45, 466585), (63, 333275), (75, 279951), (105, 199965), (175, 119979), (225, 93317), (315, 66655), (525, 39993), (1575, 13331)]