20776856

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{673}}^1$

素因数の和:923

約数の個数: 32

約数和(自身を含む): 41491440

約数和(自身を除く): 20714584

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 227, 454, 673, 908, 1346, 1816, 2692, 3859, 5384, 7718, 11441, 15436, 22882, 30872, 45764, 91528, 152771, 305542, 611084, 1222168, 2597107, 5194214, 10388428, 20776856]

約数ペア:

[(1, 20776856), (2, 10388428), (4, 5194214), (8, 2597107), (17, 1222168), (34, 611084), (68, 305542), (136, 152771), (227, 91528), (454, 45764), (673, 30872), (908, 22882), (1346, 15436), (1816, 11441), (2692, 7718), (3859, 5384)]