20522236

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{13829}}^1$

素因数の和:13893

約数の個数: 24

約数和(自身を含む): 41821920

約数和(自身を除く): 21299684

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 13829, 27658, 55316, 96803, 193606, 387212, 732937, 1465874, 2931748, 5130559, 10261118, 20522236]

約数ペア:

[(1, 20522236), (2, 10261118), (4, 5130559), (7, 2931748), (14, 1465874), (28, 732937), (53, 387212), (106, 193606), (212, 96803), (371, 55316), (742, 27658), (1484, 13829)]