20105628465

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{55763}}^1$

素因数の和:55870

約数の個数: 48

約数和(自身を含む): 35468580672

約数和(自身を除く): 15362952207

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 1849, 2795, 5547, 8385, 9245, 24037, 27735, 55763, 72111, 120185, 167289, 278815, 360555, 724919, 836445, 2174757, 2397809, 3624595, 7193427, 10873785, 11989045, 31171517, 35967135, 93514551, 103105787, 155857585, 309317361, 467572755, 515528935, 1340375231, 1546586805, 4021125693, 6701876155, 20105628465]

約数ペア:

[(1, 20105628465), (3, 6701876155), (5, 4021125693), (13, 1546586805), (15, 1340375231), (39, 515528935), (43, 467572755), (65, 309317361), (129, 155857585), (195, 103105787), (215, 93514551), (559, 35967135), (645, 31171517), (1677, 11989045), (1849, 10873785), (2795, 7193427), (5547, 3624595), (8385, 2397809), (9245, 2174757), (24037, 836445), (27735, 724919), (55763, 360555), (72111, 278815), (120185, 167289)]