20121127938

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{563}}^1\times {\mathrm{613}}^1$

素因数の和:1304

約数の個数: 96

約数和(自身を含む): 45378627840

約数和(自身を除く): 25257499902

約数列:

[1, 2, 3, 6, 9, 18, 41, 79, 82, 123, 158, 237, 246, 369, 474, 563, 613, 711, 738, 1126, 1226, 1422, 1689, 1839, 3239, 3378, 3678, 5067, 5517, 6478, 9717, 10134, 11034, 19434, 23083, 25133, 29151, 44477, 46166, 48427, 50266, 58302, 69249, 75399, 88954, 96854, 133431, 138498, 145281, 150798, 207747, 226197, 266862, 290562, 345119, 400293, 415494, 435843, 452394, 690238, 800586, 871686, 1035357, 1823557, 1985507, 2070714, 3106071, 3647114, 3971014, 5470671, 5956521, 6212142, 10941342, 11913042, 14149879, 16412013, 17869563, 27264401, 28299758, 32824026, 35739126, 42449637, 54528802, 81793203, 84899274, 127348911, 163586406, 245379609, 254697822, 490759218, 1117840441, 2235680882, 3353521323, 6707042646, 10060563969, 20121127938]

約数ペア:

[(1, 20121127938), (2, 10060563969), (3, 6707042646), (6, 3353521323), (9, 2235680882), (18, 1117840441), (41, 490759218), (79, 254697822), (82, 245379609), (123, 163586406), (158, 127348911), (237, 84899274), (246, 81793203), (369, 54528802), (474, 42449637), (563, 35739126), (613, 32824026), (711, 28299758), (738, 27264401), (1126, 17869563), (1226, 16412013), (1422, 14149879), (1689, 11913042), (1839, 10941342), (3239, 6212142), (3378, 5956521), (3678, 5470671), (5067, 3971014), (5517, 3647114), (6478, 3106071), (9717, 2070714), (10134, 1985507), (11034, 1823557), (19434, 1035357), (23083, 871686), (25133, 800586), (29151, 690238), (44477, 452394), (46166, 435843), (48427, 415494), (50266, 400293), (58302, 345119), (69249, 290562), (75399, 266862), (88954, 226197), (96854, 207747), (133431, 150798), (138498, 145281)]