20869518

素因数分解:

$2^1\times 3^1\times {\mathrm{113}}^1\times {\mathrm{30781}}^1$

素因数の和:30899

約数の個数: 16

約数和(自身を含む): 42109776

約数和(自身を除く): 21240258

約数列:

[1, 2, 3, 6, 113, 226, 339, 678, 30781, 61562, 92343, 184686, 3478253, 6956506, 10434759, 20869518]

約数ペア:

[(1, 20869518), (2, 10434759), (3, 6956506), (6, 3478253), (113, 184686), (226, 92343), (339, 61562), (678, 30781)]