20736676

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{971}}^1$

素因数の和:1275

約数の個数: 24

約数和(自身を含む): 38374560

約数和(自身を除く): 17637884

約数列:

[1, 2, 4, 19, 38, 76, 281, 562, 971, 1124, 1942, 3884, 5339, 10678, 18449, 21356, 36898, 73796, 272851, 545702, 1091404, 5184169, 10368338, 20736676]

約数ペア:

[(1, 20736676), (2, 10368338), (4, 5184169), (19, 1091404), (38, 545702), (76, 272851), (281, 73796), (562, 36898), (971, 21356), (1124, 18449), (1942, 10678), (3884, 5339)]