20098974

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:445

約数の個数: 64

約数和(自身を含む): 48660480

約数和(自身を除く): 28561506

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 43, 62, 86, 93, 129, 186, 217, 258, 301, 359, 434, 602, 651, 718, 903, 1077, 1302, 1333, 1806, 2154, 2513, 2666, 3999, 5026, 7539, 7998, 9331, 11129, 15078, 15437, 18662, 22258, 27993, 30874, 33387, 46311, 55986, 66774, 77903, 92622, 108059, 155806, 216118, 233709, 324177, 467418, 478547, 648354, 957094, 1435641, 2871282, 3349829, 6699658, 10049487, 20098974]

約数ペア:

[(1, 20098974), (2, 10049487), (3, 6699658), (6, 3349829), (7, 2871282), (14, 1435641), (21, 957094), (31, 648354), (42, 478547), (43, 467418), (62, 324177), (86, 233709), (93, 216118), (129, 155806), (186, 108059), (217, 92622), (258, 77903), (301, 66774), (359, 55986), (434, 46311), (602, 33387), (651, 30874), (718, 27993), (903, 22258), (1077, 18662), (1302, 15437), (1333, 15078), (1806, 11129), (2154, 9331), (2513, 7998), (2666, 7539), (3999, 5026)]