20210601616

素因数分解:

$2^4\times {\mathrm{1559}}^1\times {\mathrm{810239}}^1$

素因数の和:811806

約数の個数: 20

約数和(自身を含む): 39183206400

約数和(自身を除く): 18972604784

約数列:

[1, 2, 4, 8, 16, 1559, 3118, 6236, 12472, 24944, 810239, 1620478, 3240956, 6481912, 12963824, 1263162601, 2526325202, 5052650404, 10105300808, 20210601616]

約数ペア:

[(1, 20210601616), (2, 10105300808), (4, 5052650404), (8, 2526325202), (16, 1263162601), (1559, 12963824), (3118, 6481912), (6236, 3240956), (12472, 1620478), (24944, 810239)]