20201398265

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{919}}^1\times {\mathrm{258611}}^1$

素因数の和:259552

約数の個数: 16

約数和(自身を含む): 25695688320

約数和(自身を除く): 5494290055

約数列:

[1, 5, 17, 85, 919, 4595, 15623, 78115, 258611, 1293055, 4396387, 21981935, 237663509, 1188317545, 4040279653, 20201398265]

約数ペア:

[(1, 20201398265), (5, 4040279653), (17, 1188317545), (85, 237663509), (919, 21981935), (4595, 4396387), (15623, 1293055), (78115, 258611)]