20919532

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{673}}^1$

素因数の和:1105

約数の個数: 24

約数和(自身を含む): 38687600

約数和(自身を除く): 17768068

約数列:

[1, 2, 4, 19, 38, 76, 409, 673, 818, 1346, 1636, 2692, 7771, 12787, 15542, 25574, 31084, 51148, 275257, 550514, 1101028, 5229883, 10459766, 20919532]

約数ペア:

[(1, 20919532), (2, 10459766), (4, 5229883), (19, 1101028), (38, 550514), (76, 275257), (409, 51148), (673, 31084), (818, 25574), (1346, 15542), (1636, 12787), (2692, 7771)]