20966472

素因数分解:

$2^3\times 3^3\times {\mathrm{113}}^1\times {\mathrm{859}}^1$

素因数の和:987

約数の個数: 64

約数和(自身を含む): 58824000

約数和(自身を除く): 37857528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 113, 216, 226, 339, 452, 678, 859, 904, 1017, 1356, 1718, 2034, 2577, 2712, 3051, 3436, 4068, 5154, 6102, 6872, 7731, 8136, 10308, 12204, 15462, 20616, 23193, 24408, 30924, 46386, 61848, 92772, 97067, 185544, 194134, 291201, 388268, 582402, 776536, 873603, 1164804, 1747206, 2329608, 2620809, 3494412, 5241618, 6988824, 10483236, 20966472]

約数ペア:

[(1, 20966472), (2, 10483236), (3, 6988824), (4, 5241618), (6, 3494412), (8, 2620809), (9, 2329608), (12, 1747206), (18, 1164804), (24, 873603), (27, 776536), (36, 582402), (54, 388268), (72, 291201), (108, 194134), (113, 185544), (216, 97067), (226, 92772), (339, 61848), (452, 46386), (678, 30924), (859, 24408), (904, 23193), (1017, 20616), (1356, 15462), (1718, 12204), (2034, 10308), (2577, 8136), (2712, 7731), (3051, 6872), (3436, 6102), (4068, 5154)]