20398554

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{11447}}^1$

素因数の和:11472

約数の個数: 40

約数和(自身を含む): 49867488

約数和(自身を除く): 29468934

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 99, 162, 198, 297, 594, 891, 1782, 11447, 22894, 34341, 68682, 103023, 125917, 206046, 251834, 309069, 377751, 618138, 755502, 927207, 1133253, 1854414, 2266506, 3399759, 6799518, 10199277, 20398554]

約数ペア:

[(1, 20398554), (2, 10199277), (3, 6799518), (6, 3399759), (9, 2266506), (11, 1854414), (18, 1133253), (22, 927207), (27, 755502), (33, 618138), (54, 377751), (66, 309069), (81, 251834), (99, 206046), (162, 125917), (198, 103023), (297, 68682), (594, 34341), (891, 22894), (1782, 11447)]