12920738

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{769}}^1$

素因数の和:1073

約数の個数: 16

約数和(自身を含む): 20106240

約数和(自身を除く): 7185502

約数列:

[1, 2, 31, 62, 271, 542, 769, 1538, 8401, 16802, 23839, 47678, 208399, 416798, 6460369, 12920738]

約数ペア:

[(1, 12920738), (2, 6460369), (31, 416798), (62, 208399), (271, 47678), (542, 23839), (769, 16802), (1538, 8401)]