20484779

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2179}}^1$

素因数の和:2282

約数の個数: 16

約数和(自身を含む): 25113600

約数和(自身を除く): 4628821

約数列:

[1, 7, 17, 79, 119, 553, 1343, 2179, 9401, 15253, 37043, 172141, 259301, 1204987, 2926397, 20484779]

約数ペア:

[(1, 20484779), (7, 2926397), (17, 1204987), (79, 259301), (119, 172141), (553, 37043), (1343, 15253), (2179, 9401)]