20045628

素因数分解:

$2^2\times 3^2\times {\mathrm{556823}}^1$

素因数の和:556833

約数の個数: 18

約数和(自身を含む): 50670984

約数和(自身を除く): 30625356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 556823, 1113646, 1670469, 2227292, 3340938, 5011407, 6681876, 10022814, 20045628]

約数ペア:

[(1, 20045628), (2, 10022814), (3, 6681876), (4, 5011407), (6, 3340938), (9, 2227292), (12, 1670469), (18, 1113646), (36, 556823)]