20452986

素因数分解:

$2^1\times 3^4\times {\mathrm{251}}^1\times {\mathrm{503}}^1$

素因数の和:768

約数の個数: 40

約数和(自身を含む): 46103904

約数和(自身を除く): 25650918

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 251, 502, 503, 753, 1006, 1506, 1509, 2259, 3018, 4518, 4527, 6777, 9054, 13554, 13581, 20331, 27162, 40662, 40743, 81486, 126253, 252506, 378759, 757518, 1136277, 2272554, 3408831, 6817662, 10226493, 20452986]

約数ペア:

[(1, 20452986), (2, 10226493), (3, 6817662), (6, 3408831), (9, 2272554), (18, 1136277), (27, 757518), (54, 378759), (81, 252506), (162, 126253), (251, 81486), (502, 40743), (503, 40662), (753, 27162), (1006, 20331), (1506, 13581), (1509, 13554), (2259, 9054), (3018, 6777), (4518, 4527)]