20315370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1229}}^1$

素因数の和:1287

約数の個数: 64

約数和(自身を含む): 53136000

約数和(自身を除く): 32820630

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 29, 30, 38, 57, 58, 87, 95, 114, 145, 174, 190, 285, 290, 435, 551, 570, 870, 1102, 1229, 1653, 2458, 2755, 3306, 3687, 5510, 6145, 7374, 8265, 12290, 16530, 18435, 23351, 35641, 36870, 46702, 70053, 71282, 106923, 116755, 140106, 178205, 213846, 233510, 350265, 356410, 534615, 677179, 700530, 1069230, 1354358, 2031537, 3385895, 4063074, 6771790, 10157685, 20315370]

約数ペア:

[(1, 20315370), (2, 10157685), (3, 6771790), (5, 4063074), (6, 3385895), (10, 2031537), (15, 1354358), (19, 1069230), (29, 700530), (30, 677179), (38, 534615), (57, 356410), (58, 350265), (87, 233510), (95, 213846), (114, 178205), (145, 140106), (174, 116755), (190, 106923), (285, 71282), (290, 70053), (435, 46702), (551, 36870), (570, 35641), (870, 23351), (1102, 18435), (1229, 16530), (1653, 12290), (2458, 8265), (2755, 7374), (3306, 6145), (3687, 5510)]