20277815

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{1283}}^1$

素因数の和:1426

約数の個数: 16

約数和(自身を含む): 25423200

約数和(自身を除く): 5145385

約数列:

[1, 5, 29, 109, 145, 545, 1283, 3161, 6415, 15805, 37207, 139847, 186035, 699235, 4055563, 20277815]

約数ペア:

[(1, 20277815), (5, 4055563), (29, 699235), (109, 186035), (145, 139847), (545, 37207), (1283, 15805), (3161, 6415)]