20862478

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1451}}^1$

素因数の和:1552

約数の個数: 32

約数和(自身を含む): 39029760

約数和(自身を除く): 18167282

約数列:

[1, 2, 7, 13, 14, 26, 79, 91, 158, 182, 553, 1027, 1106, 1451, 2054, 2902, 7189, 10157, 14378, 18863, 20314, 37726, 114629, 132041, 229258, 264082, 802403, 1490177, 1604806, 2980354, 10431239, 20862478]

約数ペア:

[(1, 20862478), (2, 10431239), (7, 2980354), (13, 1604806), (14, 1490177), (26, 802403), (79, 264082), (91, 229258), (158, 132041), (182, 114629), (553, 37726), (1027, 20314), (1106, 18863), (1451, 14378), (2054, 10157), (2902, 7189)]