20930178

素因数分解:

$2^1\times 3^1\times {\mathrm{163}}^1\times {\mathrm{21401}}^1$

素因数の和:21569

約数の個数: 16

約数和(自身を含む): 42119136

約数和(自身を除く): 21188958

約数列:

[1, 2, 3, 6, 163, 326, 489, 978, 21401, 42802, 64203, 128406, 3488363, 6976726, 10465089, 20930178]

約数ペア:

[(1, 20930178), (2, 10465089), (3, 6976726), (6, 3488363), (163, 128406), (326, 64203), (489, 42802), (978, 21401)]