20946970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{997}}^1$

素因数の和:1206

約数の個数: 32

約数和(自身を含む): 41389056

約数和(自身を除く): 20442086

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 191, 382, 955, 997, 1910, 1994, 2101, 4202, 4985, 9970, 10505, 10967, 21010, 21934, 54835, 109670, 190427, 380854, 952135, 1904270, 2094697, 4189394, 10473485, 20946970]

約数ペア:

[(1, 20946970), (2, 10473485), (5, 4189394), (10, 2094697), (11, 1904270), (22, 952135), (55, 380854), (110, 190427), (191, 109670), (382, 54835), (955, 21934), (997, 21010), (1910, 10967), (1994, 10505), (2101, 9970), (4202, 4985)]