20764916

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{1109}}^1$

素因数の和:1295

約数の個数: 24

約数和(自身を含む): 37793280

約数和(自身を除く): 17028364

約数列:

[1, 2, 4, 31, 62, 124, 151, 302, 604, 1109, 2218, 4436, 4681, 9362, 18724, 34379, 68758, 137516, 167459, 334918, 669836, 5191229, 10382458, 20764916]

約数ペア:

[(1, 20764916), (2, 10382458), (4, 5191229), (31, 669836), (62, 334918), (124, 167459), (151, 137516), (302, 68758), (604, 34379), (1109, 18724), (2218, 9362), (4436, 4681)]