20451510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13367}}^1$

素因数の和:13397

約数の個数: 48

約数和(自身を含む): 56306016

約数和(自身を除く): 35854506

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 13367, 26734, 40101, 66835, 80202, 120303, 133670, 200505, 227239, 240606, 401010, 454478, 601515, 681717, 1136195, 1203030, 1363434, 2045151, 2272390, 3408585, 4090302, 6817170, 10225755, 20451510]

約数ペア:

[(1, 20451510), (2, 10225755), (3, 6817170), (5, 4090302), (6, 3408585), (9, 2272390), (10, 2045151), (15, 1363434), (17, 1203030), (18, 1136195), (30, 681717), (34, 601515), (45, 454478), (51, 401010), (85, 240606), (90, 227239), (102, 200505), (153, 133670), (170, 120303), (255, 80202), (306, 66835), (510, 40101), (765, 26734), (1530, 13367)]