20417894

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1301}}^1$

素因数の和:1388

約数の個数: 32

約数和(自身を含む): 37497600

約数和(自身を除く): 17079706

約数列:

[1, 2, 7, 14, 19, 38, 59, 118, 133, 266, 413, 826, 1121, 1301, 2242, 2602, 7847, 9107, 15694, 18214, 24719, 49438, 76759, 153518, 173033, 346066, 537313, 1074626, 1458421, 2916842, 10208947, 20417894]

約数ペア:

[(1, 20417894), (2, 10208947), (7, 2916842), (14, 1458421), (19, 1074626), (38, 537313), (59, 346066), (118, 173033), (133, 153518), (266, 76759), (413, 49438), (826, 24719), (1121, 18214), (1301, 15694), (2242, 9107), (2602, 7847)]