20101712

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{26731}}^1$

素因数の和:26786

約数の個数: 20

約数和(自身を含む): 39777216

約数和(自身を除く): 19675504

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 26731, 53462, 106924, 213848, 427696, 1256357, 2512714, 5025428, 10050856, 20101712]

約数ペア:

[(1, 20101712), (2, 10050856), (4, 5025428), (8, 2512714), (16, 1256357), (47, 427696), (94, 213848), (188, 106924), (376, 53462), (752, 26731)]