20287190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26347}}^1$

素因数の和:26372

約数の個数: 32

約数和(自身を含む): 45529344

約数和(自身を除く): 25242154

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 26347, 52694, 131735, 184429, 263470, 289817, 368858, 579634, 922145, 1449085, 1844290, 2028719, 2898170, 4057438, 10143595, 20287190]

約数ペア:

[(1, 20287190), (2, 10143595), (5, 4057438), (7, 2898170), (10, 2028719), (11, 1844290), (14, 1449085), (22, 922145), (35, 579634), (55, 368858), (70, 289817), (77, 263470), (110, 184429), (154, 131735), (385, 52694), (770, 26347)]