20289810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21817}}^1$

素因数の和:21858

約数の個数: 32

約数和(自身を含む): 50268672

約数和(自身を除く): 29978862

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 21817, 43634, 65451, 109085, 130902, 218170, 327255, 654510, 676327, 1352654, 2028981, 3381635, 4057962, 6763270, 10144905, 20289810]

約数ペア:

[(1, 20289810), (2, 10144905), (3, 6763270), (5, 4057962), (6, 3381635), (10, 2028981), (15, 1352654), (30, 676327), (31, 654510), (62, 327255), (93, 218170), (155, 130902), (186, 109085), (310, 65451), (465, 43634), (930, 21817)]