20497902

素因数分解:

$2^1\times 3^1\times {\mathrm{163}}^1\times {\mathrm{20959}}^1$

素因数の和:21127

約数の個数: 16

約数和(自身を含む): 41249280

約数和(自身を除く): 20751378

約数列:

[1, 2, 3, 6, 163, 326, 489, 978, 20959, 41918, 62877, 125754, 3416317, 6832634, 10248951, 20497902]

約数ペア:

[(1, 20497902), (2, 10248951), (3, 6832634), (6, 3416317), (163, 125754), (326, 62877), (489, 41918), (978, 20959)]