20591988

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{24169}}^1$

素因数の和:24247

約数の個数: 24

約数和(自身を含む): 48726720

約数和(自身を除く): 28134732

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 24169, 48338, 72507, 96676, 145014, 290028, 1715999, 3431998, 5147997, 6863996, 10295994, 20591988]

約数ペア:

[(1, 20591988), (2, 10295994), (3, 6863996), (4, 5147997), (6, 3431998), (12, 1715999), (71, 290028), (142, 145014), (213, 96676), (284, 72507), (426, 48338), (852, 24169)]