20537998

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{7247}}^1$

素因数の和:7371

約数の個数: 16

約数和(自身を含む): 33485760

約数和(自身を除く): 12947762

約数列:

[1, 2, 13, 26, 109, 218, 1417, 2834, 7247, 14494, 94211, 188422, 789923, 1579846, 10268999, 20537998]

約数ペア:

[(1, 20537998), (2, 10268999), (13, 1579846), (26, 789923), (109, 188422), (218, 94211), (1417, 14494), (2834, 7247)]