20802649605

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2516957}}^1$

素因数の和:2517013

約数の個数: 32

約数和(自身を含む): 36244195200

約数和(自身を除く): 15441545595

約数列:

[1, 3, 5, 15, 19, 29, 57, 87, 95, 145, 285, 435, 551, 1653, 2755, 8265, 2516957, 7550871, 12584785, 37754355, 47822183, 72991753, 143466549, 218975259, 239110915, 364958765, 717332745, 1094876295, 1386843307, 4160529921, 6934216535, 20802649605]

約数ペア:

[(1, 20802649605), (3, 6934216535), (5, 4160529921), (15, 1386843307), (19, 1094876295), (29, 717332745), (57, 364958765), (87, 239110915), (95, 218975259), (145, 143466549), (285, 72991753), (435, 47822183), (551, 37754355), (1653, 12584785), (2755, 7550871), (8265, 2516957)]