20021968

素因数分解:

$2^4\times {\mathrm{811}}^1\times {\mathrm{1543}}^1$

素因数の和:2362

約数の個数: 20

約数和(自身を含む): 38865568

約数和(自身を除く): 18843600

約数列:

[1, 2, 4, 8, 16, 811, 1543, 1622, 3086, 3244, 6172, 6488, 12344, 12976, 24688, 1251373, 2502746, 5005492, 10010984, 20021968]

約数ペア:

[(1, 20021968), (2, 10010984), (4, 5005492), (8, 2502746), (16, 1251373), (811, 24688), (1543, 12976), (1622, 12344), (3086, 6488), (3244, 6172)]