12921872

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{10223}}^1$

素因数の和:10310

約数の個数: 20

約数和(自身を含む): 25355520

約数和(自身を除く): 12433648

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 10223, 20446, 40892, 81784, 163568, 807617, 1615234, 3230468, 6460936, 12921872]

約数ペア:

[(1, 12921872), (2, 6460936), (4, 3230468), (8, 1615234), (16, 807617), (79, 163568), (158, 81784), (316, 40892), (632, 20446), (1264, 10223)]