20271589

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:648

約数の個数: 16

約数和(自身を含む): 22713264

約数和(自身を除く): 2441675

約数列:

[1, 13, 41, 73, 521, 533, 949, 2993, 6773, 21361, 38033, 38909, 277693, 494429, 1559353, 20271589]

約数ペア:

[(1, 20271589), (13, 1559353), (41, 494429), (73, 277693), (521, 38909), (533, 38033), (949, 21361), (2993, 6773)]