20501221444

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{181087}}^1$

素因数の和:181216

約数の個数: 48

約数和(自身を含む): 40888221696

約数和(自身を除く): 20387000252

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 83, 124, 166, 332, 341, 682, 913, 1364, 1826, 2573, 3652, 5146, 10292, 28303, 56606, 113212, 181087, 362174, 724348, 1991957, 3983914, 5613697, 7967828, 11227394, 15030221, 22454788, 30060442, 60120884, 61750667, 123501334, 165332431, 247002668, 330664862, 465936851, 661329724, 931873702, 1863747404, 5125305361, 10250610722, 20501221444]

約数ペア:

[(1, 20501221444), (2, 10250610722), (4, 5125305361), (11, 1863747404), (22, 931873702), (31, 661329724), (44, 465936851), (62, 330664862), (83, 247002668), (124, 165332431), (166, 123501334), (332, 61750667), (341, 60120884), (682, 30060442), (913, 22454788), (1364, 15030221), (1826, 11227394), (2573, 7967828), (3652, 5613697), (5146, 3983914), (10292, 1991957), (28303, 724348), (56606, 362174), (113212, 181087)]