20803885136

素因数分解:

$2^4\times {\mathrm{90907}}^1\times {\mathrm{14303}}^1$

素因数の和:105218

約数の個数: 20

約数和(自身を含む): 40310788992

約数和(自身を除く): 19506903856

約数列:

[1, 2, 4, 8, 16, 14303, 28606, 57212, 90907, 114424, 181814, 228848, 363628, 727256, 1454512, 1300242821, 2600485642, 5200971284, 10401942568, 20803885136]

約数ペア:

[(1, 20803885136), (2, 10401942568), (4, 5200971284), (8, 2600485642), (16, 1300242821), (14303, 1454512), (28606, 727256), (57212, 363628), (90907, 228848), (114424, 181814)]