2020412260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{42751}}^1$

素因数の和:42916

約数の個数: 48

約数和(自身を含む): 4524871680

約数和(自身を除く): 2504459420

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 278, 340, 556, 695, 1390, 2363, 2780, 4726, 9452, 11815, 23630, 42751, 47260, 85502, 171004, 213755, 427510, 726767, 855020, 1453534, 2907068, 3633835, 5942389, 7267670, 11884778, 14535340, 23769556, 29711945, 59423890, 101020613, 118847780, 202041226, 404082452, 505103065, 1010206130, 2020412260]

約数ペア:

[(1, 2020412260), (2, 1010206130), (4, 505103065), (5, 404082452), (10, 202041226), (17, 118847780), (20, 101020613), (34, 59423890), (68, 29711945), (85, 23769556), (139, 14535340), (170, 11884778), (278, 7267670), (340, 5942389), (556, 3633835), (695, 2907068), (1390, 1453534), (2363, 855020), (2780, 726767), (4726, 427510), (9452, 213755), (11815, 171004), (23630, 85502), (42751, 47260)]