20349795

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 34007040

約数和(自身を除く): 13657245

約数列:

[1, 3, 5, 15, 31, 93, 107, 155, 321, 409, 465, 535, 1227, 1605, 2045, 3317, 6135, 9951, 12679, 16585, 38037, 43763, 49755, 63395, 131289, 190185, 218815, 656445, 1356653, 4069959, 6783265, 20349795]

約数ペア:

[(1, 20349795), (3, 6783265), (5, 4069959), (15, 1356653), (31, 656445), (93, 218815), (107, 190185), (155, 131289), (321, 63395), (409, 49755), (465, 43763), (535, 38037), (1227, 16585), (1605, 12679), (2045, 9951), (3317, 6135)]