20858078

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1\times {\mathrm{367}}^1$

素因数の和:707

約数の個数: 16

約数和(自身を含む): 31746624

約数和(自身を除く): 10888546

約数列:

[1, 2, 157, 181, 314, 362, 367, 734, 28417, 56834, 57619, 66427, 115238, 132854, 10429039, 20858078]

約数ペア:

[(1, 20858078), (2, 10429039), (157, 132854), (181, 115238), (314, 66427), (362, 57619), (367, 56834), (734, 28417)]