20834751

素因数分解:

$3^1\times 7^2\times {\mathrm{271}}^1\times {\mathrm{523}}^1$

素因数の和:811

約数の個数: 24

約数和(自身を含む): 32496384

約数和(自身を除く): 11661633

約数列:

[1, 3, 7, 21, 49, 147, 271, 523, 813, 1569, 1897, 3661, 5691, 10983, 13279, 25627, 39837, 76881, 141733, 425199, 992131, 2976393, 6944917, 20834751]

約数ペア:

[(1, 20834751), (3, 6944917), (7, 2976393), (21, 992131), (49, 425199), (147, 141733), (271, 76881), (523, 39837), (813, 25627), (1569, 13279), (1897, 10983), (3661, 5691)]