20665712

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{27481}}^1$

素因数の和:27536

約数の個数: 20

約数和(自身を含む): 40893216

約数和(自身を除く): 20227504

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 27481, 54962, 109924, 219848, 439696, 1291607, 2583214, 5166428, 10332856, 20665712]

約数ペア:

[(1, 20665712), (2, 10332856), (4, 5166428), (8, 2583214), (16, 1291607), (47, 439696), (94, 219848), (188, 109924), (376, 54962), (752, 27481)]