20630242

素因数分解:

$2^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{647}}^1$

素因数の和:905

約数の個数: 16

約数和(自身を含む): 31492800

約数和(自身を除く): 10862558

約数列:

[1, 2, 107, 149, 214, 298, 647, 1294, 15943, 31886, 69229, 96403, 138458, 192806, 10315121, 20630242]

約数ペア:

[(1, 20630242), (2, 10315121), (107, 192806), (149, 138458), (214, 96403), (298, 69229), (647, 31886), (1294, 15943)]