20284978

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2939}}^1$

素因数の和:2994

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 17817422

約数列:

[1, 2, 7, 14, 17, 29, 34, 58, 119, 203, 238, 406, 493, 986, 2939, 3451, 5878, 6902, 20573, 41146, 49963, 85231, 99926, 170462, 349741, 596617, 699482, 1193234, 1448927, 2897854, 10142489, 20284978]

約数ペア:

[(1, 20284978), (2, 10142489), (7, 2897854), (14, 1448927), (17, 1193234), (29, 699482), (34, 596617), (58, 349741), (119, 170462), (203, 99926), (238, 85231), (406, 49963), (493, 41146), (986, 20573), (2939, 6902), (3451, 5878)]