20778844142

素因数分解:

$2^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{953}}^1\times {\mathrm{12263}}^1$

素因数の和:13352

約数の個数: 32

約数和(自身を含む): 35941957632

約数和(自身を除く): 15163113490

約数列:

[1, 2, 7, 14, 127, 254, 889, 953, 1778, 1906, 6671, 12263, 13342, 24526, 85841, 121031, 171682, 242062, 847217, 1557401, 1694434, 3114802, 10901807, 11686639, 21803614, 23373278, 81806473, 163612946, 1484203153, 2968406306, 10389422071, 20778844142]

約数ペア:

[(1, 20778844142), (2, 10389422071), (7, 2968406306), (14, 1484203153), (127, 163612946), (254, 81806473), (889, 23373278), (953, 21803614), (1778, 11686639), (1906, 10901807), (6671, 3114802), (12263, 1694434), (13342, 1557401), (24526, 847217), (85841, 242062), (121031, 171682)]