2020305925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{3109}}^1$

素因数の和:3286

約数の個数: 48

約数和(自身を含む): 2915438400

約数和(自身を除く): 895132475

約数列:

[1, 5, 11, 17, 25, 55, 85, 139, 187, 275, 425, 695, 935, 1529, 2363, 3109, 3475, 4675, 7645, 11815, 15545, 25993, 34199, 38225, 52853, 59075, 77725, 129965, 170995, 264265, 432151, 581383, 649825, 854975, 1321325, 2160755, 2906915, 4753661, 7346567, 10803775, 14534575, 23768305, 36732835, 80812237, 118841525, 183664175, 404061185, 2020305925]

約数ペア:

[(1, 2020305925), (5, 404061185), (11, 183664175), (17, 118841525), (25, 80812237), (55, 36732835), (85, 23768305), (139, 14534575), (187, 10803775), (275, 7346567), (425, 4753661), (695, 2906915), (935, 2160755), (1529, 1321325), (2363, 854975), (3109, 649825), (3475, 581383), (4675, 432151), (7645, 264265), (11815, 170995), (15545, 129965), (25993, 77725), (34199, 59075), (38225, 52853)]