20127645

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19447}}^1$

素因数の和:19481

約数の個数: 24

約数和(自身を含む): 36406656

約数和(自身を除く): 16279011

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 19447, 58341, 97235, 175023, 291705, 447281, 875115, 1341843, 2236405, 4025529, 6709215, 20127645]

約数ペア:

[(1, 20127645), (3, 6709215), (5, 4025529), (9, 2236405), (15, 1341843), (23, 875115), (45, 447281), (69, 291705), (115, 175023), (207, 97235), (345, 58341), (1035, 19447)]