20527831935

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{575251}}^1$

素因数の和:575336

約数の個数: 48

約数和(自身を含む): 38946861408

約数和(自身を除く): 18419029473

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 61, 65, 117, 183, 195, 305, 549, 585, 793, 915, 2379, 2745, 3965, 7137, 11895, 35685, 575251, 1725753, 2876255, 5177259, 7478263, 8628765, 22434789, 25886295, 35090311, 37391315, 67304367, 105270933, 112173945, 175451555, 315812799, 336521835, 456174043, 526354665, 1368522129, 1579063995, 2280870215, 4105566387, 6842610645, 20527831935]

約数ペア:

[(1, 20527831935), (3, 6842610645), (5, 4105566387), (9, 2280870215), (13, 1579063995), (15, 1368522129), (39, 526354665), (45, 456174043), (61, 336521835), (65, 315812799), (117, 175451555), (183, 112173945), (195, 105270933), (305, 67304367), (549, 37391315), (585, 35090311), (793, 25886295), (915, 22434789), (2379, 8628765), (2745, 7478263), (3965, 5177259), (7137, 2876255), (11895, 1725753), (35685, 575251)]