20970809712

素因数分解:

$2^4\times 3^3\times {\mathrm{2621}}^1\times {\mathrm{18521}}^1$

素因数の和:21159

約数の個数: 80

約数和(自身を含む): 60220208160

約数和(自身を除く): 39249398448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 2621, 5242, 7863, 10484, 15726, 18521, 20968, 23589, 31452, 37042, 41936, 47178, 55563, 62904, 70767, 74084, 94356, 111126, 125808, 141534, 148168, 166689, 188712, 222252, 283068, 296336, 333378, 377424, 444504, 500067, 566136, 666756, 889008, 1000134, 1132272, 1333512, 2000268, 2667024, 4000536, 8001072, 48543541, 97087082, 145630623, 194174164, 291261246, 388348328, 436891869, 582522492, 776696656, 873783738, 1165044984, 1310675607, 1747567476, 2330089968, 2621351214, 3495134952, 5242702428, 6990269904, 10485404856, 20970809712]

約数ペア:

[(1, 20970809712), (2, 10485404856), (3, 6990269904), (4, 5242702428), (6, 3495134952), (8, 2621351214), (9, 2330089968), (12, 1747567476), (16, 1310675607), (18, 1165044984), (24, 873783738), (27, 776696656), (36, 582522492), (48, 436891869), (54, 388348328), (72, 291261246), (108, 194174164), (144, 145630623), (216, 97087082), (432, 48543541), (2621, 8001072), (5242, 4000536), (7863, 2667024), (10484, 2000268), (15726, 1333512), (18521, 1132272), (20968, 1000134), (23589, 889008), (31452, 666756), (37042, 566136), (41936, 500067), (47178, 444504), (55563, 377424), (62904, 333378), (70767, 296336), (74084, 283068), (94356, 222252), (111126, 188712), (125808, 166689), (141534, 148168)]