20570786

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{7331}}^1$

素因数の和:7417

約数の個数: 16

約数和(自身を含む): 32730048

約数和(自身を除く): 12159262

約数列:

[1, 2, 23, 46, 61, 122, 1403, 2806, 7331, 14662, 168613, 337226, 447191, 894382, 10285393, 20570786]

約数ペア:

[(1, 20570786), (2, 10285393), (23, 894382), (46, 447191), (61, 337226), (122, 168613), (1403, 14662), (2806, 7331)]