20512114915

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{461413}}^1$

素因数の和:461958

約数の個数: 16

約数和(自身を含む): 26112341088

約数和(自身を除く): 5600226173

約数列:

[1, 5, 17, 85, 523, 2615, 8891, 44455, 461413, 2307065, 7844021, 39220105, 241318999, 1206594995, 4102422983, 20512114915]

約数ペア:

[(1, 20512114915), (5, 4102422983), (17, 1206594995), (85, 241318999), (523, 39220105), (2615, 7844021), (8891, 2307065), (44455, 461413)]