20512652965

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1\times {\mathrm{1553}}^1$

素因数の和:1942

約数の個数: 64

約数和(自身を含む): 30290319360

約数和(自身を除く): 9777666395

約数列:

[1, 5, 7, 17, 35, 79, 85, 119, 281, 395, 553, 595, 1343, 1405, 1553, 1967, 2765, 4777, 6715, 7765, 9401, 9835, 10871, 22199, 23885, 26401, 33439, 47005, 54355, 110995, 122687, 132005, 155393, 167195, 184807, 377383, 436393, 613435, 776965, 858809, 924035, 1886915, 2085679, 2181965, 2641681, 3054751, 4294045, 7418681, 10428395, 13208405, 14599753, 15273755, 34475047, 37093405, 51930767, 72998765, 172375235, 241325329, 259653835, 586075799, 1206626645, 2930378995, 4102530593, 20512652965]

約数ペア:

[(1, 20512652965), (5, 4102530593), (7, 2930378995), (17, 1206626645), (35, 586075799), (79, 259653835), (85, 241325329), (119, 172375235), (281, 72998765), (395, 51930767), (553, 37093405), (595, 34475047), (1343, 15273755), (1405, 14599753), (1553, 13208405), (1967, 10428395), (2765, 7418681), (4777, 4294045), (6715, 3054751), (7765, 2641681), (9401, 2181965), (9835, 2085679), (10871, 1886915), (22199, 924035), (23885, 858809), (26401, 776965), (33439, 613435), (47005, 436393), (54355, 377383), (110995, 184807), (122687, 167195), (132005, 155393)]