20829081

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{5869}}^1$

素因数の和:5905

約数の個数: 24

約数和(自身を含む): 34374720

約数和(自身を除く): 13545639

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 5869, 17607, 41083, 76297, 123249, 228891, 534079, 991861, 1602237, 2975583, 6943027, 20829081]

約数ペア:

[(1, 20829081), (3, 6943027), (7, 2975583), (13, 1602237), (21, 991861), (39, 534079), (91, 228891), (169, 123249), (273, 76297), (507, 41083), (1183, 17607), (3549, 5869)]