20187006777

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{65837}}^1$

素因数の和:66038

約数の個数: 48

約数和(自身を含む): 34619200512

約数和(自身を除く): 14432193735

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 157, 217, 279, 471, 651, 1099, 1413, 1953, 3297, 4867, 9891, 14601, 34069, 43803, 65837, 102207, 197511, 306621, 460859, 592533, 1382577, 2040947, 4147731, 6122841, 10336409, 14286629, 18368523, 31009227, 42859887, 72354863, 93027681, 128579661, 217064589, 320428679, 651193767, 961286037, 2243000753, 2883858111, 6729002259, 20187006777]

約数ペア:

[(1, 20187006777), (3, 6729002259), (7, 2883858111), (9, 2243000753), (21, 961286037), (31, 651193767), (63, 320428679), (93, 217064589), (157, 128579661), (217, 93027681), (279, 72354863), (471, 42859887), (651, 31009227), (1099, 18368523), (1413, 14286629), (1953, 10336409), (3297, 6122841), (4867, 4147731), (9891, 2040947), (14601, 1382577), (34069, 592533), (43803, 460859), (65837, 306621), (102207, 197511)]