20172384160

素因数分解:

$2^5\times 5^1\times {\mathrm{137}}^1\times {\mathrm{920273}}^1$

素因数の和:920425

約数の個数: 48

約数和(自身を含む): 48005172936

約数和(自身を除く): 27832788776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 137, 160, 274, 548, 685, 1096, 1370, 2192, 2740, 4384, 5480, 10960, 21920, 920273, 1840546, 3681092, 4601365, 7362184, 9202730, 14724368, 18405460, 29448736, 36810920, 73621840, 126077401, 147243680, 252154802, 504309604, 630387005, 1008619208, 1260774010, 2017238416, 2521548020, 4034476832, 5043096040, 10086192080, 20172384160]

約数ペア:

[(1, 20172384160), (2, 10086192080), (4, 5043096040), (5, 4034476832), (8, 2521548020), (10, 2017238416), (16, 1260774010), (20, 1008619208), (32, 630387005), (40, 504309604), (80, 252154802), (137, 147243680), (160, 126077401), (274, 73621840), (548, 36810920), (685, 29448736), (1096, 18405460), (1370, 14724368), (2192, 9202730), (2740, 7362184), (4384, 4601365), (5480, 3681092), (10960, 1840546), (21920, 920273)]