20218757679

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{122021}}^1$

素因数の和:122085

約数の個数: 48

約数和(自身を含む): 33473075040

約数和(自身を除く): 13254317361

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 153, 171, 323, 361, 459, 513, 969, 1083, 2907, 3249, 6137, 8721, 9747, 18411, 55233, 122021, 165699, 366063, 1098189, 2074357, 2318399, 3294567, 6223071, 6955197, 18669213, 20865591, 39412783, 44049581, 56007639, 62596773, 118238349, 132148743, 354715047, 396446229, 748842877, 1064145141, 1189338687, 2246528631, 6739585893, 20218757679]

約数ペア:

[(1, 20218757679), (3, 6739585893), (9, 2246528631), (17, 1189338687), (19, 1064145141), (27, 748842877), (51, 396446229), (57, 354715047), (153, 132148743), (171, 118238349), (323, 62596773), (361, 56007639), (459, 44049581), (513, 39412783), (969, 20865591), (1083, 18669213), (2907, 6955197), (3249, 6223071), (6137, 3294567), (8721, 2318399), (9747, 2074357), (18411, 1098189), (55233, 366063), (122021, 165699)]