20215547

素因数分解:

${\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{541}}^1$

素因数の和:674

約数の個数: 16

約数和(自身を含む): 22894080

約数和(自身を除く): 2678533

約数列:

[1, 11, 43, 79, 473, 541, 869, 3397, 5951, 23263, 37367, 42739, 255893, 470129, 1837777, 20215547]

約数ペア:

[(1, 20215547), (11, 1837777), (43, 470129), (79, 255893), (473, 42739), (541, 37367), (869, 23263), (3397, 5951)]