20163505719

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1427}}^1\times {\mathrm{6173}}^1$

素因数の和:7719

約数の個数: 32

約数和(自身を含む): 31033981440

約数和(自身を除く): 10870475721

約数列:

[1, 3, 7, 21, 109, 327, 763, 1427, 2289, 4281, 6173, 9989, 18519, 29967, 43211, 129633, 155543, 466629, 672857, 1088801, 2018571, 3266403, 4709999, 8808871, 14129997, 26426613, 61662097, 184986291, 960166939, 2880500817, 6721168573, 20163505719]

約数ペア:

[(1, 20163505719), (3, 6721168573), (7, 2880500817), (21, 960166939), (109, 184986291), (327, 61662097), (763, 26426613), (1427, 14129997), (2289, 8808871), (4281, 4709999), (6173, 3266403), (9989, 2018571), (18519, 1088801), (29967, 672857), (43211, 466629), (129633, 155543)]