20218402827

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4520099}}^1$

素因数の和:4520183

約数の個数: 24

約数和(自身を含む): 33846508800

約数和(自身を除く): 13628105973

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 4520099, 13560297, 31640693, 40680891, 94922079, 284766237, 320927029, 962781087, 2246489203, 2888343261, 6739467609, 20218402827]

約数ペア:

[(1, 20218402827), (3, 6739467609), (7, 2888343261), (9, 2246489203), (21, 962781087), (63, 320927029), (71, 284766237), (213, 94922079), (497, 40680891), (639, 31640693), (1491, 13560297), (4473, 4520099)]