20178394839

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{39334103}}^1$

素因数の和:39334131

約数の個数: 16

約数和(自身を含む): 31467283200

約数和(自身を除く): 11288888361

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 39334103, 118002309, 354006927, 747347957, 1062020781, 2242043871, 6726131613, 20178394839]

約数ペア:

[(1, 20178394839), (3, 6726131613), (9, 2242043871), (19, 1062020781), (27, 747347957), (57, 354006927), (171, 118002309), (513, 39334103)]