20208423

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{853}}^1$

素因数の和:1058

約数の個数: 16

約数和(自身を含む): 27669600

約数和(自身を除く): 7461177

約数列:

[1, 3, 53, 149, 159, 447, 853, 2559, 7897, 23691, 45209, 127097, 135627, 381291, 6736141, 20208423]

約数ペア:

[(1, 20208423), (3, 6736141), (53, 381291), (149, 135627), (159, 127097), (447, 45209), (853, 23691), (2559, 7897)]