20770648

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{136649}}^1$

素因数の和:136674

約数の個数: 16

約数和(自身を含む): 40995000

約数和(自身を除く): 20224352

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 136649, 273298, 546596, 1093192, 2596331, 5192662, 10385324, 20770648]

約数ペア:

[(1, 20770648), (2, 10385324), (4, 5192662), (8, 2596331), (19, 1093192), (38, 546596), (76, 273298), (152, 136649)]