20349135

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19661}}^1$

素因数の和:19695

約数の個数: 24

約数和(自身を含む): 36807264

約数和(自身を除く): 16458129

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 19661, 58983, 98305, 176949, 294915, 452203, 884745, 1356609, 2261015, 4069827, 6783045, 20349135]

約数ペア:

[(1, 20349135), (3, 6783045), (5, 4069827), (9, 2261015), (15, 1356609), (23, 884745), (45, 452203), (69, 294915), (115, 176949), (207, 98305), (345, 58983), (1035, 19661)]