20899687587

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{72307}}^1$

素因数の和:72463

約数の個数: 32

約数和(自身を含む): 29987573760

約数和(自身を除く): 9087886173

約数列:

[1, 3, 23, 59, 69, 71, 177, 213, 1357, 1633, 4071, 4189, 4899, 12567, 72307, 96347, 216921, 289041, 1663061, 4266113, 4989183, 5133797, 12798339, 15401391, 98120599, 118077331, 294361797, 302894023, 354231993, 908682069, 6966562529, 20899687587]

約数ペア:

[(1, 20899687587), (3, 6966562529), (23, 908682069), (59, 354231993), (69, 302894023), (71, 294361797), (177, 118077331), (213, 98120599), (1357, 15401391), (1633, 12798339), (4071, 5133797), (4189, 4989183), (4899, 4266113), (12567, 1663061), (72307, 289041), (96347, 216921)]