20406778

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{50263}}^1$

素因数の和:50301

約数の個数: 16

約数和(自身を含む): 36190080

約数和(自身を除く): 15783302

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 50263, 100526, 351841, 703682, 1457627, 2915254, 10203389, 20406778]

約数ペア:

[(1, 20406778), (2, 10203389), (7, 2915254), (14, 1457627), (29, 703682), (58, 351841), (203, 100526), (406, 50263)]