820172012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{981067}}^1$

素因数の和:981101

約数の個数: 24

約数和(自身を含む): 1648194240

約数和(自身を除く): 828022228

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 981067, 1962134, 3924268, 10791737, 18640273, 21583474, 37280546, 43166948, 74561092, 205043003, 410086006, 820172012]

約数ペア:

[(1, 820172012), (2, 410086006), (4, 205043003), (11, 74561092), (19, 43166948), (22, 37280546), (38, 21583474), (44, 18640273), (76, 10791737), (209, 3924268), (418, 1962134), (836, 981067)]