20117447

素因数分解:

$7^1\times {\mathrm{19}}^3\times {\mathrm{419}}^1$

素因数の和:483

約数の個数: 16

約数和(自身を含む): 24326400

約数和(自身を除く): 4208953

約数列:

[1, 7, 19, 133, 361, 419, 2527, 2933, 6859, 7961, 48013, 55727, 151259, 1058813, 2873921, 20117447]

約数ペア:

[(1, 20117447), (7, 2873921), (19, 1058813), (133, 151259), (361, 55727), (419, 48013), (2527, 7961), (2933, 6859)]