20996514

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15149}}^1$

素因数の和:15175

約数の個数: 48

約数和(自身を含む): 56721600

約数和(自身を除く): 35725086

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 15149, 30298, 45447, 90894, 106043, 136341, 166639, 212086, 272682, 318129, 333278, 499917, 636258, 954387, 999834, 1166473, 1499751, 1908774, 2332946, 2999502, 3499419, 6998838, 10498257, 20996514]

約数ペア:

[(1, 20996514), (2, 10498257), (3, 6998838), (6, 3499419), (7, 2999502), (9, 2332946), (11, 1908774), (14, 1499751), (18, 1166473), (21, 999834), (22, 954387), (33, 636258), (42, 499917), (63, 333278), (66, 318129), (77, 272682), (99, 212086), (126, 166639), (154, 136341), (198, 106043), (231, 90894), (462, 45447), (693, 30298), (1386, 15149)]