20979413

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5623}}^1$

素因数の和:5684

約数の個数: 16

約数和(自身を含む): 26455296

約数和(自身を除く): 5475883

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 5623, 39361, 73099, 230543, 511693, 1613801, 2997059, 20979413]

約数ペア:

[(1, 20979413), (7, 2997059), (13, 1613801), (41, 511693), (91, 230543), (287, 73099), (533, 39361), (3731, 5623)]