20129456

素因数分解:

$2^4\times {\mathrm{911}}^1\times {\mathrm{1381}}^1$

素因数の和:2300

約数の個数: 20

約数和(自身を含む): 39071904

約数和(自身を除く): 18942448

約数列:

[1, 2, 4, 8, 16, 911, 1381, 1822, 2762, 3644, 5524, 7288, 11048, 14576, 22096, 1258091, 2516182, 5032364, 10064728, 20129456]

約数ペア:

[(1, 20129456), (2, 10064728), (4, 5032364), (8, 2516182), (16, 1258091), (911, 22096), (1381, 14576), (1822, 11048), (2762, 7288), (3644, 5524)]