20006745

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 35903616

約数和(自身を除く): 15896871

約数列:

[1, 3, 5, 11, 15, 33, 55, 73, 121, 151, 165, 219, 363, 365, 453, 605, 755, 803, 1095, 1661, 1815, 2265, 2409, 4015, 4983, 8305, 8833, 11023, 12045, 18271, 24915, 26499, 33069, 44165, 54813, 55115, 91355, 121253, 132495, 165345, 274065, 363759, 606265, 1333783, 1818795, 4001349, 6668915, 20006745]

約数ペア:

[(1, 20006745), (3, 6668915), (5, 4001349), (11, 1818795), (15, 1333783), (33, 606265), (55, 363759), (73, 274065), (121, 165345), (151, 132495), (165, 121253), (219, 91355), (363, 55115), (365, 54813), (453, 44165), (605, 33069), (755, 26499), (803, 24915), (1095, 18271), (1661, 12045), (1815, 11023), (2265, 8833), (2409, 8305), (4015, 4983)]