20170644

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{541}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 50991360

約数和(自身を除く): 30820716

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 239, 478, 541, 717, 956, 1082, 1434, 1623, 2164, 2868, 3107, 3246, 6214, 6492, 7033, 9321, 12428, 14066, 18642, 21099, 28132, 37284, 42198, 84396, 129299, 258598, 387897, 517196, 775794, 1551588, 1680887, 3361774, 5042661, 6723548, 10085322, 20170644]

約数ペア:

[(1, 20170644), (2, 10085322), (3, 6723548), (4, 5042661), (6, 3361774), (12, 1680887), (13, 1551588), (26, 775794), (39, 517196), (52, 387897), (78, 258598), (156, 129299), (239, 84396), (478, 42198), (541, 37284), (717, 28132), (956, 21099), (1082, 18642), (1434, 14066), (1623, 12428), (2164, 9321), (2868, 7033), (3107, 6492), (3246, 6214)]