20996957597

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1\times {\mathrm{8101}}^1$

素因数の和:8981

約数の個数: 32

約数和(自身を含む): 26852491008

約数和(自身を除く): 5855533411

約数列:

[1, 7, 11, 41, 77, 287, 451, 821, 3157, 5747, 8101, 9031, 33661, 56707, 63217, 89111, 235627, 332141, 370271, 623777, 2324987, 2591897, 3653551, 6650921, 25574857, 46556447, 73160131, 272687761, 512120917, 1908814327, 2999565371, 20996957597]

約数ペア:

[(1, 20996957597), (7, 2999565371), (11, 1908814327), (41, 512120917), (77, 272687761), (287, 73160131), (451, 46556447), (821, 25574857), (3157, 6650921), (5747, 3653551), (8101, 2591897), (9031, 2324987), (33661, 623777), (56707, 370271), (63217, 332141), (89111, 235627)]