20211698096

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66485849}}^1$

素因数の和:66485876

約数の個数: 20

約数和(自身を含む): 41221227000

約数和(自身を除く): 21009528904

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66485849, 132971698, 265943396, 531886792, 1063773584, 1263231131, 2526462262, 5052924524, 10105849048, 20211698096]

約数ペア:

[(1, 20211698096), (2, 10105849048), (4, 5052924524), (8, 2526462262), (16, 1263231131), (19, 1063773584), (38, 531886792), (76, 265943396), (152, 132971698), (304, 66485849)]