20267478

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2089}}^1$

素因数の和:2122

約数の個数: 72

約数和(自身を含む): 55752840

約数和(自身を除く): 35485362

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 49, 63, 66, 77, 98, 99, 126, 147, 154, 198, 231, 294, 441, 462, 539, 693, 882, 1078, 1386, 1617, 2089, 3234, 4178, 4851, 6267, 9702, 12534, 14623, 18801, 22979, 29246, 37602, 43869, 45958, 68937, 87738, 102361, 131607, 137874, 160853, 204722, 206811, 263214, 307083, 321706, 413622, 482559, 614166, 921249, 965118, 1125971, 1447677, 1842498, 2251942, 2895354, 3377913, 6755826, 10133739, 20267478]

約数ペア:

[(1, 20267478), (2, 10133739), (3, 6755826), (6, 3377913), (7, 2895354), (9, 2251942), (11, 1842498), (14, 1447677), (18, 1125971), (21, 965118), (22, 921249), (33, 614166), (42, 482559), (49, 413622), (63, 321706), (66, 307083), (77, 263214), (98, 206811), (99, 204722), (126, 160853), (147, 137874), (154, 131607), (198, 102361), (231, 87738), (294, 68937), (441, 45958), (462, 43869), (539, 37602), (693, 29246), (882, 22979), (1078, 18801), (1386, 14623), (1617, 12534), (2089, 9702), (3234, 6267), (4178, 4851)]