20409815754

素因数分解:

$2^1\times 3^4\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{79187}}^1$

素因数の和:79281

約数の個数: 80

約数和(自身を含む): 48062047968

約数和(自身を除く): 27652232214

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 43, 54, 74, 81, 86, 111, 129, 162, 222, 258, 333, 387, 666, 774, 999, 1161, 1591, 1998, 2322, 2997, 3182, 3483, 4773, 5994, 6966, 9546, 14319, 28638, 42957, 79187, 85914, 128871, 158374, 237561, 257742, 475122, 712683, 1425366, 2138049, 2929919, 3405041, 4276098, 5859838, 6414147, 6810082, 8789757, 10215123, 12828294, 17579514, 20430246, 26369271, 30645369, 52738542, 61290738, 79107813, 91936107, 125986517, 158215626, 183872214, 237323439, 251973034, 275808321, 377959551, 474646878, 551616642, 755919102, 1133878653, 2267757306, 3401635959, 6803271918, 10204907877, 20409815754]

約数ペア:

[(1, 20409815754), (2, 10204907877), (3, 6803271918), (6, 3401635959), (9, 2267757306), (18, 1133878653), (27, 755919102), (37, 551616642), (43, 474646878), (54, 377959551), (74, 275808321), (81, 251973034), (86, 237323439), (111, 183872214), (129, 158215626), (162, 125986517), (222, 91936107), (258, 79107813), (333, 61290738), (387, 52738542), (666, 30645369), (774, 26369271), (999, 20430246), (1161, 17579514), (1591, 12828294), (1998, 10215123), (2322, 8789757), (2997, 6810082), (3182, 6414147), (3483, 5859838), (4773, 4276098), (5994, 3405041), (6966, 2929919), (9546, 2138049), (14319, 1425366), (28638, 712683), (42957, 475122), (79187, 257742), (85914, 237561), (128871, 158374)]