20077911

素因数分解:

$3^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{757}}^1$

素因数の和:1191

約数の個数: 24

約数和(自身を含む): 33267104

約数和(自身を除く): 13189193

約数列:

[1, 3, 7, 9, 21, 63, 421, 757, 1263, 2271, 2947, 3789, 5299, 6813, 8841, 15897, 26523, 47691, 318697, 956091, 2230879, 2868273, 6692637, 20077911]

約数ペア:

[(1, 20077911), (3, 6692637), (7, 2868273), (9, 2230879), (21, 956091), (63, 318697), (421, 47691), (757, 26523), (1263, 15897), (2271, 8841), (2947, 6813), (3789, 5299)]