20116390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1489}}^1$

素因数の和:1696

約数の個数: 32

約数和(自身を含む): 41624640

約数和(自身を除く): 21508250

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 193, 386, 965, 1351, 1489, 1930, 2702, 2978, 6755, 7445, 10423, 13510, 14890, 20846, 52115, 104230, 287377, 574754, 1436885, 2011639, 2873770, 4023278, 10058195, 20116390]

約数ペア:

[(1, 20116390), (2, 10058195), (5, 4023278), (7, 2873770), (10, 2011639), (14, 1436885), (35, 574754), (70, 287377), (193, 104230), (386, 52115), (965, 20846), (1351, 14890), (1489, 13510), (1930, 10423), (2702, 7445), (2978, 6755)]