20285751

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1\times {\mathrm{439}}^1$

素因数の和:726

約数の個数: 16

約数和(自身を含む): 27610880

約数和(自身を除く): 7325129

約数列:

[1, 3, 73, 211, 219, 439, 633, 1317, 15403, 32047, 46209, 92629, 96141, 277887, 6761917, 20285751]

約数ペア:

[(1, 20285751), (3, 6761917), (73, 277887), (211, 96141), (219, 92629), (439, 46209), (633, 32047), (1317, 15403)]