20120481992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{8369}}^1\times {\mathrm{23117}}^1$

素因数の和:31505

約数の個数: 32

約数和(自身を含む): 40634508600

約数和(自身を除く): 20514026608

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 8369, 16738, 23117, 33476, 46234, 66952, 92468, 108797, 184936, 217594, 300521, 435188, 601042, 870376, 1202084, 2404168, 193466173, 386932346, 773864692, 1547729384, 2515060249, 5030120498, 10060240996, 20120481992]

約数ペア:

[(1, 20120481992), (2, 10060240996), (4, 5030120498), (8, 2515060249), (13, 1547729384), (26, 773864692), (52, 386932346), (104, 193466173), (8369, 2404168), (16738, 1202084), (23117, 870376), (33476, 601042), (46234, 435188), (66952, 300521), (92468, 217594), (108797, 184936)]