20906591

素因数分解:

${\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:314

約数の個数: 16

約数和(自身を含む): 22334880

約数和(自身を除く): 1428289

約数列:

[1, 37, 59, 61, 157, 2183, 2257, 3599, 5809, 9263, 9577, 133163, 342731, 354349, 565043, 20906591]

約数ペア:

[(1, 20906591), (37, 565043), (59, 354349), (61, 342731), (157, 133163), (2183, 9577), (2257, 9263), (3599, 5809)]