20210554

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{379}}^1$

素因数の和:694

約数の個数: 32

約数和(自身を含む): 37537920

約数和(自身を除く): 17327366

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 293, 379, 586, 758, 2051, 2653, 3809, 4102, 4927, 5306, 7618, 9854, 26663, 34489, 53326, 68978, 111047, 222094, 777329, 1443611, 1554658, 2887222, 10105277, 20210554]

約数ペア:

[(1, 20210554), (2, 10105277), (7, 2887222), (13, 1554658), (14, 1443611), (26, 777329), (91, 222094), (182, 111047), (293, 68978), (379, 53326), (586, 34489), (758, 26663), (2051, 9854), (2653, 7618), (3809, 5306), (4102, 4927)]