20728172616

素因数分解:

$2^3\times 3^1\times {\mathrm{139}}^1\times {\mathrm{1601}}^1\times {\mathrm{3881}}^1$

素因数の和:5630

約数の個数: 64

約数和(自身を含む): 52239297600

約数和(自身を除く): 31511124984

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 139, 278, 417, 556, 834, 1112, 1601, 1668, 3202, 3336, 3881, 4803, 6404, 7762, 9606, 11643, 12808, 15524, 19212, 23286, 31048, 38424, 46572, 93144, 222539, 445078, 539459, 667617, 890156, 1078918, 1335234, 1618377, 1780312, 2157836, 2670468, 3236754, 4315672, 5340936, 6213481, 6473508, 12426962, 12947016, 18640443, 24853924, 37280886, 49707848, 74561772, 149123544, 863673859, 1727347718, 2591021577, 3454695436, 5182043154, 6909390872, 10364086308, 20728172616]

約数ペア:

[(1, 20728172616), (2, 10364086308), (3, 6909390872), (4, 5182043154), (6, 3454695436), (8, 2591021577), (12, 1727347718), (24, 863673859), (139, 149123544), (278, 74561772), (417, 49707848), (556, 37280886), (834, 24853924), (1112, 18640443), (1601, 12947016), (1668, 12426962), (3202, 6473508), (3336, 6213481), (3881, 5340936), (4803, 4315672), (6404, 3236754), (7762, 2670468), (9606, 2157836), (11643, 1780312), (12808, 1618377), (15524, 1335234), (19212, 1078918), (23286, 890156), (31048, 667617), (38424, 539459), (46572, 445078), (93144, 222539)]