20651610

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2287}}^1$

素因数の和:2347

約数の個数: 64

約数和(自身を含む): 57987072

約数和(自身を除く): 37335462

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 70, 86, 105, 129, 210, 215, 258, 301, 430, 602, 645, 903, 1290, 1505, 1806, 2287, 3010, 4515, 4574, 6861, 9030, 11435, 13722, 16009, 22870, 32018, 34305, 48027, 68610, 80045, 96054, 98341, 160090, 196682, 240135, 295023, 480270, 491705, 590046, 688387, 983410, 1376774, 1475115, 2065161, 2950230, 3441935, 4130322, 6883870, 10325805, 20651610]

約数ペア:

[(1, 20651610), (2, 10325805), (3, 6883870), (5, 4130322), (6, 3441935), (7, 2950230), (10, 2065161), (14, 1475115), (15, 1376774), (21, 983410), (30, 688387), (35, 590046), (42, 491705), (43, 480270), (70, 295023), (86, 240135), (105, 196682), (129, 160090), (210, 98341), (215, 96054), (258, 80045), (301, 68610), (430, 48027), (602, 34305), (645, 32018), (903, 22870), (1290, 16009), (1505, 13722), (1806, 11435), (2287, 9030), (3010, 6861), (4515, 4574)]