20705162

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1049}}^1$

素因数の和:1261

約数の個数: 16

約数和(自身を含む): 31752000

約数和(自身を除く): 11046838

約数列:

[1, 2, 71, 139, 142, 278, 1049, 2098, 9869, 19738, 74479, 145811, 148958, 291622, 10352581, 20705162]

約数ペア:

[(1, 20705162), (2, 10352581), (71, 291622), (139, 148958), (142, 145811), (278, 74479), (1049, 19738), (2098, 9869)]