20879235

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11897}}^1$

素因数の和:11924

約数の個数: 32

約数和(自身を含む): 39977280

約数和(自身を除く): 19098045

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 11897, 35691, 59485, 107073, 154661, 178455, 321219, 463983, 535365, 773305, 1391949, 1606095, 2319915, 4175847, 6959745, 20879235]

約数ペア:

[(1, 20879235), (3, 6959745), (5, 4175847), (9, 2319915), (13, 1606095), (15, 1391949), (27, 773305), (39, 535365), (45, 463983), (65, 321219), (117, 178455), (135, 154661), (195, 107073), (351, 59485), (585, 35691), (1755, 11897)]