20259252

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{593}}^1$

素因数の和:689

約数の個数: 72

約数和(自身を含む): 55999944

約数和(自身を除く): 35740692

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 73, 78, 117, 146, 156, 219, 234, 292, 438, 468, 593, 657, 876, 949, 1186, 1314, 1779, 1898, 2372, 2628, 2847, 3558, 3796, 5337, 5694, 7116, 7709, 8541, 10674, 11388, 15418, 17082, 21348, 23127, 30836, 34164, 43289, 46254, 69381, 86578, 92508, 129867, 138762, 173156, 259734, 277524, 389601, 519468, 562757, 779202, 1125514, 1558404, 1688271, 2251028, 3376542, 5064813, 6753084, 10129626, 20259252]

約数ペア:

[(1, 20259252), (2, 10129626), (3, 6753084), (4, 5064813), (6, 3376542), (9, 2251028), (12, 1688271), (13, 1558404), (18, 1125514), (26, 779202), (36, 562757), (39, 519468), (52, 389601), (73, 277524), (78, 259734), (117, 173156), (146, 138762), (156, 129867), (219, 92508), (234, 86578), (292, 69381), (438, 46254), (468, 43289), (593, 34164), (657, 30836), (876, 23127), (949, 21348), (1186, 17082), (1314, 15418), (1779, 11388), (1898, 10674), (2372, 8541), (2628, 7709), (2847, 7116), (3558, 5694), (3796, 5337)]