12003020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{821}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 27343008

約数和(自身を除く): 15339988

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 821, 860, 1462, 1642, 2924, 3284, 3655, 4105, 7310, 8210, 13957, 14620, 16420, 27914, 35303, 55828, 69785, 70606, 139570, 141212, 176515, 279140, 353030, 600151, 706060, 1200302, 2400604, 3000755, 6001510, 12003020]

約数ペア:

[(1, 12003020), (2, 6001510), (4, 3000755), (5, 2400604), (10, 1200302), (17, 706060), (20, 600151), (34, 353030), (43, 279140), (68, 176515), (85, 141212), (86, 139570), (170, 70606), (172, 69785), (215, 55828), (340, 35303), (430, 27914), (731, 16420), (821, 14620), (860, 13957), (1462, 8210), (1642, 7310), (2924, 4105), (3284, 3655)]