20967605

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{4447}}^1$

素因数の和:4516

約数の個数: 16

約数和(自身を含む): 26901504

約数和(自身を除く): 5933899

約数列:

[1, 5, 23, 41, 115, 205, 943, 4447, 4715, 22235, 102281, 182327, 511405, 911635, 4193521, 20967605]

約数ペア:

[(1, 20967605), (5, 4193521), (23, 911635), (41, 511405), (115, 182327), (205, 102281), (943, 22235), (4447, 4715)]