20448518

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 34421760

約数和(自身を除く): 13973242

約数列:

[1, 2, 17, 23, 34, 46, 79, 158, 331, 391, 662, 782, 1343, 1817, 2686, 3634, 5627, 7613, 11254, 15226, 26149, 30889, 52298, 61778, 129421, 258842, 444533, 601427, 889066, 1202854, 10224259, 20448518]

約数ペア:

[(1, 20448518), (2, 10224259), (17, 1202854), (23, 889066), (34, 601427), (46, 444533), (79, 258842), (158, 129421), (331, 61778), (391, 52298), (662, 30889), (782, 26149), (1343, 15226), (1817, 11254), (2686, 7613), (3634, 5627)]