20218152435

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1\times {\mathrm{4643}}^1$

素因数の和:4964

約数の個数: 64

約数和(自身を含む): 35314610688

約数和(自身を除く): 15096458253

約数列:

[1, 3, 5, 13, 15, 39, 65, 137, 163, 195, 411, 489, 685, 815, 1781, 2055, 2119, 2445, 4643, 5343, 6357, 8905, 10595, 13929, 22331, 23215, 26715, 31785, 60359, 66993, 69645, 111655, 181077, 290303, 301795, 334965, 636091, 756809, 870909, 905385, 1451515, 1908273, 2270427, 3180455, 3784045, 4354545, 8269183, 9541365, 9838517, 11352135, 24807549, 29515551, 41345915, 49192585, 103682833, 124037745, 147577755, 311048499, 518414165, 1347876829, 1555242495, 4043630487, 6739384145, 20218152435]

約数ペア:

[(1, 20218152435), (3, 6739384145), (5, 4043630487), (13, 1555242495), (15, 1347876829), (39, 518414165), (65, 311048499), (137, 147577755), (163, 124037745), (195, 103682833), (411, 49192585), (489, 41345915), (685, 29515551), (815, 24807549), (1781, 11352135), (2055, 9838517), (2119, 9541365), (2445, 8269183), (4643, 4354545), (5343, 3784045), (6357, 3180455), (8905, 2270427), (10595, 1908273), (13929, 1451515), (22331, 905385), (23215, 870909), (26715, 756809), (31785, 636091), (60359, 334965), (66993, 301795), (69645, 290303), (111655, 181077)]