20519486

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{4409}}^1$

素因数の和:4603

約数の個数: 16

約数和(自身を含む): 33339600

約数和(自身を除く): 12820114

約数列:

[1, 2, 13, 26, 179, 358, 2327, 4409, 4654, 8818, 57317, 114634, 789211, 1578422, 10259743, 20519486]

約数ペア:

[(1, 20519486), (2, 10259743), (13, 1578422), (26, 789211), (179, 114634), (358, 57317), (2327, 8818), (4409, 4654)]