20790787572

素因数分解:

$2^2\times 3^2\times {\mathrm{163}}^1\times {\mathrm{3543079}}^1$

素因数の和:3543252

約数の個数: 36

約数和(自身を含む): 52876925920

約数和(自身を除く): 32086138348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 163, 326, 489, 652, 978, 1467, 1956, 2934, 5868, 3543079, 7086158, 10629237, 14172316, 21258474, 31887711, 42516948, 63775422, 127550844, 577521877, 1155043754, 1732565631, 2310087508, 3465131262, 5197696893, 6930262524, 10395393786, 20790787572]

約数ペア:

[(1, 20790787572), (2, 10395393786), (3, 6930262524), (4, 5197696893), (6, 3465131262), (9, 2310087508), (12, 1732565631), (18, 1155043754), (36, 577521877), (163, 127550844), (326, 63775422), (489, 42516948), (652, 31887711), (978, 21258474), (1467, 14172316), (1956, 10629237), (2934, 7086158), (5868, 3543079)]