20396770149

素因数分解:

$3^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{2212471}}^1$

素因数の和:2212920

約数の個数: 16

約数和(自身を含む): 31151605760

約数和(自身を除く): 10754835611

約数列:

[1, 3, 7, 21, 439, 1317, 3073, 9219, 2212471, 6637413, 15487297, 46461891, 971274769, 2913824307, 6798923383, 20396770149]

約数ペア:

[(1, 20396770149), (3, 6798923383), (7, 2913824307), (21, 971274769), (439, 46461891), (1317, 15487297), (3073, 6637413), (9219, 2212471)]