20137588

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 39118464

約数和(自身を除く): 18980876

約数列:

[1, 2, 4, 17, 34, 43, 68, 71, 86, 97, 142, 172, 194, 284, 388, 731, 1207, 1462, 1649, 2414, 2924, 3053, 3298, 4171, 4828, 6106, 6596, 6887, 8342, 12212, 13774, 16684, 27548, 51901, 70907, 103802, 117079, 141814, 207604, 234158, 283628, 296141, 468316, 592282, 1184564, 5034397, 10068794, 20137588]

約数ペア:

[(1, 20137588), (2, 10068794), (4, 5034397), (17, 1184564), (34, 592282), (43, 468316), (68, 296141), (71, 283628), (86, 234158), (97, 207604), (142, 141814), (172, 117079), (194, 103802), (284, 70907), (388, 51901), (731, 27548), (1207, 16684), (1462, 13774), (1649, 12212), (2414, 8342), (2924, 6887), (3053, 6596), (3298, 6106), (4171, 4828)]