20077148

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2903}}^1$

素因数の和:2946

約数の個数: 48

約数和(自身を含む): 45534720

約数和(自身を除く): 25457572

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 2903, 3458, 5806, 6916, 11612, 20321, 37739, 40642, 55157, 75478, 81284, 110314, 150956, 220628, 264173, 386099, 528346, 717041, 772198, 1056692, 1434082, 1544396, 2868164, 5019287, 10038574, 20077148]

約数ペア:

[(1, 20077148), (2, 10038574), (4, 5019287), (7, 2868164), (13, 1544396), (14, 1434082), (19, 1056692), (26, 772198), (28, 717041), (38, 528346), (52, 386099), (76, 264173), (91, 220628), (133, 150956), (182, 110314), (247, 81284), (266, 75478), (364, 55157), (494, 40642), (532, 37739), (988, 20321), (1729, 11612), (2903, 6916), (3458, 5806)]