20109187044

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{43399}}^1$

素因数の和:43681

約数の個数: 72

約数和(自身を含む): 51910913600

約数和(自身を除く): 31801726556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 211, 244, 366, 422, 549, 633, 732, 844, 1098, 1266, 1899, 2196, 2532, 3798, 7596, 12871, 25742, 38613, 43399, 51484, 77226, 86798, 115839, 130197, 154452, 173596, 231678, 260394, 390591, 463356, 520788, 781182, 1562364, 2647339, 5294678, 7942017, 9157189, 10589356, 15884034, 18314378, 23826051, 27471567, 31768068, 36628756, 47652102, 54943134, 82414701, 95304204, 109886268, 164829402, 329658804, 558588529, 1117177058, 1675765587, 2234354116, 3351531174, 5027296761, 6703062348, 10054593522, 20109187044]

約数ペア:

[(1, 20109187044), (2, 10054593522), (3, 6703062348), (4, 5027296761), (6, 3351531174), (9, 2234354116), (12, 1675765587), (18, 1117177058), (36, 558588529), (61, 329658804), (122, 164829402), (183, 109886268), (211, 95304204), (244, 82414701), (366, 54943134), (422, 47652102), (549, 36628756), (633, 31768068), (732, 27471567), (844, 23826051), (1098, 18314378), (1266, 15884034), (1899, 10589356), (2196, 9157189), (2532, 7942017), (3798, 5294678), (7596, 2647339), (12871, 1562364), (25742, 781182), (38613, 520788), (43399, 463356), (51484, 390591), (77226, 260394), (86798, 231678), (115839, 173596), (130197, 154452)]