20876289

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{58477}}^1$

素因数の和:58504

約数の個数: 16

約数和(自身を含む): 33683328

約数和(自身を除く): 12807039

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 58477, 175431, 409339, 994109, 1228017, 2982327, 6958763, 20876289]

約数ペア:

[(1, 20876289), (3, 6958763), (7, 2982327), (17, 1228017), (21, 994109), (51, 409339), (119, 175431), (357, 58477)]