20642342

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47563}}^1$

素因数の和:47603

約数の個数: 16

約数和(自身を含む): 36529152

約数和(自身を除く): 15886810

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 47563, 95126, 332941, 665882, 1474453, 2948906, 10321171, 20642342]

約数ペア:

[(1, 20642342), (2, 10321171), (7, 2948906), (14, 1474453), (31, 665882), (62, 332941), (217, 95126), (434, 47563)]