20800695

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 34283520

約数和(自身を除く): 13482825

約数列:

[1, 3, 5, 15, 61, 127, 179, 183, 305, 381, 537, 635, 895, 915, 1905, 2685, 7747, 10919, 22733, 23241, 32757, 38735, 54595, 68199, 113665, 116205, 163785, 340995, 1386713, 4160139, 6933565, 20800695]

約数ペア:

[(1, 20800695), (3, 6933565), (5, 4160139), (15, 1386713), (61, 340995), (127, 163785), (179, 116205), (183, 113665), (305, 68199), (381, 54595), (537, 38735), (635, 32757), (895, 23241), (915, 22733), (1905, 10919), (2685, 7747)]