20164790725905

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{30763}}^1\times {\mathrm{127403}}^1$

素因数の和:158195

約数の個数: 64

約数和(自身を含む): 37626783897600

約数和(自身を除く): 17461993171695

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 5145, 30763, 92289, 127403, 153815, 215341, 382209, 461445, 637015, 646023, 891821, 1076705, 1507387, 1911045, 2675463, 3230115, 4459105, 4522161, 6242747, 7536935, 10551709, 13377315, 18728241, 22610805, 31213735, 31655127, 43699229, 52758545, 93641205, 131097687, 158275635, 218496145, 655488435, 3919298489, 11757895467, 19596492445, 27435089423, 58789477335, 82305268269, 137175447115, 192045625961, 411526341345, 576136877883, 960228129805, 1344319381727, 2880684389415, 4032958145181, 6721596908635, 20164790725905]

約数ペア:

[(1, 20164790725905), (3, 6721596908635), (5, 4032958145181), (7, 2880684389415), (15, 1344319381727), (21, 960228129805), (35, 576136877883), (49, 411526341345), (105, 192045625961), (147, 137175447115), (245, 82305268269), (343, 58789477335), (735, 27435089423), (1029, 19596492445), (1715, 11757895467), (5145, 3919298489), (30763, 655488435), (92289, 218496145), (127403, 158275635), (153815, 131097687), (215341, 93641205), (382209, 52758545), (461445, 43699229), (637015, 31655127), (646023, 31213735), (891821, 22610805), (1076705, 18728241), (1507387, 13377315), (1911045, 10551709), (2675463, 7536935), (3230115, 6242747), (4459105, 4522161)]