20216124

素因数分解:

$2^2\times 3^2\times {\mathrm{561559}}^1$

素因数の和:561569

約数の個数: 18

約数和(自身を含む): 51101960

約数和(自身を除く): 30885836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 561559, 1123118, 1684677, 2246236, 3369354, 5054031, 6738708, 10108062, 20216124]

約数ペア:

[(1, 20216124), (2, 10108062), (3, 6738708), (4, 5054031), (6, 3369354), (9, 2246236), (12, 1684677), (18, 1123118), (36, 561559)]