20879663618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{70621}}^1$

素因数の和:70874

約数の個数: 32

約数和(自身を含む): 34779922560

約数和(自身を除く): 13900258942

約数列:

[1, 2, 11, 22, 89, 151, 178, 302, 979, 1661, 1958, 3322, 13439, 26878, 70621, 141242, 147829, 295658, 776831, 1553662, 6285269, 10663771, 12570538, 21327542, 69137959, 117301481, 138275918, 234602962, 949075619, 1898151238, 10439831809, 20879663618]

約数ペア:

[(1, 20879663618), (2, 10439831809), (11, 1898151238), (22, 949075619), (89, 234602962), (151, 138275918), (178, 117301481), (302, 69137959), (979, 21327542), (1661, 12570538), (1958, 10663771), (3322, 6285269), (13439, 1553662), (26878, 776831), (70621, 295658), (141242, 147829)]