20516391

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{14159}}^1$

素因数の和:14195

約数の個数: 24

約数和(自身を含む): 35343360

約数和(自身を除く): 14826969

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 14159, 42477, 99113, 127431, 297339, 325657, 892017, 976971, 2279599, 2930913, 6838797, 20516391]

約数ペア:

[(1, 20516391), (3, 6838797), (7, 2930913), (9, 2279599), (21, 976971), (23, 892017), (63, 325657), (69, 297339), (161, 127431), (207, 99113), (483, 42477), (1449, 14159)]