20005978359

素因数分解:

$3^1\times {\mathrm{499}}^1\times {\mathrm{787}}^1\times {\mathrm{16981}}^1$

素因数の和:18270

約数の個数: 16

約数和(自身を含む): 26763632000

約数和(自身を除く): 6757653641

約数列:

[1, 3, 499, 787, 1497, 2361, 16981, 50943, 392713, 1178139, 8473519, 13364047, 25420557, 40092141, 6668659453, 20005978359]

約数ペア:

[(1, 20005978359), (3, 6668659453), (499, 40092141), (787, 25420557), (1497, 13364047), (2361, 8473519), (16981, 1178139), (50943, 392713)]