20051265

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{107}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 36033984

約数和(自身を除く): 15982719

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 107, 155, 195, 321, 403, 465, 535, 961, 1209, 1391, 1605, 2015, 2883, 3317, 4173, 4805, 6045, 6955, 9951, 12493, 14415, 16585, 20865, 37479, 43121, 49755, 62465, 102827, 129363, 187395, 215605, 308481, 514135, 646815, 1336751, 1542405, 4010253, 6683755, 20051265]

約数ペア:

[(1, 20051265), (3, 6683755), (5, 4010253), (13, 1542405), (15, 1336751), (31, 646815), (39, 514135), (65, 308481), (93, 215605), (107, 187395), (155, 129363), (195, 102827), (321, 62465), (403, 49755), (465, 43121), (535, 37479), (961, 20865), (1209, 16585), (1391, 14415), (1605, 12493), (2015, 9951), (2883, 6955), (3317, 6045), (4173, 4805)]