20699536

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:224

約数の個数: 80

約数和(自身を含む): 48121920

約数和(自身を除く): 27422384

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 83, 88, 104, 109, 143, 166, 176, 208, 218, 286, 332, 436, 572, 664, 872, 913, 1079, 1144, 1199, 1328, 1417, 1744, 1826, 2158, 2288, 2398, 2834, 3652, 4316, 4796, 5668, 7304, 8632, 9047, 9592, 11336, 11869, 14608, 15587, 17264, 18094, 19184, 22672, 23738, 31174, 36188, 47476, 62348, 72376, 94952, 99517, 117611, 124696, 144752, 189904, 199034, 235222, 249392, 398068, 470444, 796136, 940888, 1293721, 1592272, 1881776, 2587442, 5174884, 10349768, 20699536]

約数ペア:

[(1, 20699536), (2, 10349768), (4, 5174884), (8, 2587442), (11, 1881776), (13, 1592272), (16, 1293721), (22, 940888), (26, 796136), (44, 470444), (52, 398068), (83, 249392), (88, 235222), (104, 199034), (109, 189904), (143, 144752), (166, 124696), (176, 117611), (208, 99517), (218, 94952), (286, 72376), (332, 62348), (436, 47476), (572, 36188), (664, 31174), (872, 23738), (913, 22672), (1079, 19184), (1144, 18094), (1199, 17264), (1328, 15587), (1417, 14608), (1744, 11869), (1826, 11336), (2158, 9592), (2288, 9047), (2398, 8632), (2834, 7304), (3652, 5668), (4316, 4796)]