20161172912

素因数分解:

$2^4\times {\mathrm{271}}^1\times {\mathrm{389}}^1\times {\mathrm{11953}}^1$

素因数の和:12621

約数の個数: 40

約数和(自身を含む): 39310489920

約数和(自身を除く): 19149317008

約数列:

[1, 2, 4, 8, 16, 271, 389, 542, 778, 1084, 1556, 2168, 3112, 4336, 6224, 11953, 23906, 47812, 95624, 105419, 191248, 210838, 421676, 843352, 1686704, 3239263, 4649717, 6478526, 9299434, 12957052, 18598868, 25914104, 37197736, 51828208, 74395472, 1260073307, 2520146614, 5040293228, 10080586456, 20161172912]

約数ペア:

[(1, 20161172912), (2, 10080586456), (4, 5040293228), (8, 2520146614), (16, 1260073307), (271, 74395472), (389, 51828208), (542, 37197736), (778, 25914104), (1084, 18598868), (1556, 12957052), (2168, 9299434), (3112, 6478526), (4336, 4649717), (6224, 3239263), (11953, 1686704), (23906, 843352), (47812, 421676), (95624, 210838), (105419, 191248)]