20199396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{1259}}^1$

素因数の和:1464

約数の個数: 48

約数和(自身を含む): 54190080

約数和(自身を除く): 33990684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 191, 382, 573, 764, 1146, 1259, 1337, 2292, 2518, 2674, 3777, 4011, 5036, 5348, 7554, 8022, 8813, 15108, 16044, 17626, 26439, 35252, 52878, 105756, 240469, 480938, 721407, 961876, 1442814, 1683283, 2885628, 3366566, 5049849, 6733132, 10099698, 20199396]

約数ペア:

[(1, 20199396), (2, 10099698), (3, 6733132), (4, 5049849), (6, 3366566), (7, 2885628), (12, 1683283), (14, 1442814), (21, 961876), (28, 721407), (42, 480938), (84, 240469), (191, 105756), (382, 52878), (573, 35252), (764, 26439), (1146, 17626), (1259, 16044), (1337, 15108), (2292, 8813), (2518, 8022), (2674, 7554), (3777, 5348), (4011, 5036)]