20809475145

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1\times {\mathrm{7297}}^1$

素因数の和:7934

約数の個数: 48

約数和(自身を含む): 36431616000

約数和(自身を除く): 15622140855

約数列:

[1, 3, 5, 9, 15, 45, 127, 381, 499, 635, 1143, 1497, 1905, 2495, 4491, 5715, 7297, 7485, 21891, 22455, 36485, 63373, 65673, 109455, 190119, 316865, 328365, 570357, 926719, 950595, 2780157, 2851785, 3641203, 4633595, 8340471, 10923609, 13900785, 18206015, 32770827, 41702355, 54618045, 163854135, 462432781, 1387298343, 2312163905, 4161895029, 6936491715, 20809475145]

約数ペア:

[(1, 20809475145), (3, 6936491715), (5, 4161895029), (9, 2312163905), (15, 1387298343), (45, 462432781), (127, 163854135), (381, 54618045), (499, 41702355), (635, 32770827), (1143, 18206015), (1497, 13900785), (1905, 10923609), (2495, 8340471), (4491, 4633595), (5715, 3641203), (7297, 2851785), (7485, 2780157), (21891, 950595), (22455, 926719), (36485, 570357), (63373, 328365), (65673, 316865), (109455, 190119)]