20166016878

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{311}}^1\times {\mathrm{171541}}^1$

素因数の和:171870

約数の個数: 64

約数和(自身を含む): 51380259840

約数和(自身を除く): 31214242962

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 311, 378, 622, 933, 1866, 2177, 2799, 4354, 5598, 6531, 8397, 13062, 16794, 19593, 39186, 58779, 117558, 171541, 343082, 514623, 1029246, 1200787, 1543869, 2401574, 3087738, 3602361, 4631607, 7204722, 9263214, 10807083, 21614166, 32421249, 53349251, 64842498, 106698502, 160047753, 320095506, 373444757, 480143259, 746889514, 960286518, 1120334271, 1440429777, 2240668542, 2880859554, 3361002813, 6722005626, 10083008439, 20166016878]

約数ペア:

[(1, 20166016878), (2, 10083008439), (3, 6722005626), (6, 3361002813), (7, 2880859554), (9, 2240668542), (14, 1440429777), (18, 1120334271), (21, 960286518), (27, 746889514), (42, 480143259), (54, 373444757), (63, 320095506), (126, 160047753), (189, 106698502), (311, 64842498), (378, 53349251), (622, 32421249), (933, 21614166), (1866, 10807083), (2177, 9263214), (2799, 7204722), (4354, 4631607), (5598, 3602361), (6531, 3087738), (8397, 2401574), (13062, 1543869), (16794, 1200787), (19593, 1029246), (39186, 514623), (58779, 343082), (117558, 171541)]