20512492

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:191

約数の個数: 96

約数和(自身を含む): 49674240

約数和(自身を除く): 29161748

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 47, 52, 77, 91, 94, 109, 143, 154, 182, 188, 218, 286, 308, 329, 364, 436, 517, 572, 611, 658, 763, 1001, 1034, 1199, 1222, 1316, 1417, 1526, 2002, 2068, 2398, 2444, 2834, 3052, 3619, 4004, 4277, 4796, 5123, 5668, 6721, 7238, 8393, 8554, 9919, 10246, 13442, 14476, 15587, 16786, 17108, 19838, 20492, 26884, 31174, 33572, 35861, 39676, 47047, 56353, 62348, 66599, 71722, 94094, 109109, 112706, 133198, 143444, 188188, 218218, 225412, 266396, 394471, 436436, 466193, 732589, 788942, 932386, 1465178, 1577884, 1864772, 2930356, 5128123, 10256246, 20512492]

約数ペア:

[(1, 20512492), (2, 10256246), (4, 5128123), (7, 2930356), (11, 1864772), (13, 1577884), (14, 1465178), (22, 932386), (26, 788942), (28, 732589), (44, 466193), (47, 436436), (52, 394471), (77, 266396), (91, 225412), (94, 218218), (109, 188188), (143, 143444), (154, 133198), (182, 112706), (188, 109109), (218, 94094), (286, 71722), (308, 66599), (329, 62348), (364, 56353), (436, 47047), (517, 39676), (572, 35861), (611, 33572), (658, 31174), (763, 26884), (1001, 20492), (1034, 19838), (1199, 17108), (1222, 16786), (1316, 15587), (1417, 14476), (1526, 13442), (2002, 10246), (2068, 9919), (2398, 8554), (2444, 8393), (2834, 7238), (3052, 6721), (3619, 5668), (4004, 5123), (4277, 4796)]