20257893

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{577}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 30296448

約数和(自身を除く): 10038555

約数列:

[1, 3, 9, 47, 83, 141, 249, 423, 577, 747, 1731, 3901, 5193, 11703, 27119, 35109, 47891, 81357, 143673, 244071, 431019, 2250877, 6752631, 20257893]

約数ペア:

[(1, 20257893), (3, 6752631), (9, 2250877), (47, 431019), (83, 244071), (141, 143673), (249, 81357), (423, 47891), (577, 35109), (747, 27119), (1731, 11703), (3901, 5193)]