20729632

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:254

約数の個数: 96

約数和(自身を含む): 52254720

約数和(自身を除く): 31525088

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 47, 56, 77, 88, 94, 112, 154, 176, 179, 188, 224, 308, 329, 352, 358, 376, 517, 616, 658, 716, 752, 1034, 1232, 1253, 1316, 1432, 1504, 1969, 2068, 2464, 2506, 2632, 2864, 3619, 3938, 4136, 5012, 5264, 5728, 7238, 7876, 8272, 8413, 10024, 10528, 13783, 14476, 15752, 16544, 16826, 20048, 27566, 28952, 31504, 33652, 40096, 55132, 57904, 58891, 63008, 67304, 92543, 110264, 115808, 117782, 134608, 185086, 220528, 235564, 269216, 370172, 441056, 471128, 647801, 740344, 942256, 1295602, 1480688, 1884512, 2591204, 2961376, 5182408, 10364816, 20729632]

約数ペア:

[(1, 20729632), (2, 10364816), (4, 5182408), (7, 2961376), (8, 2591204), (11, 1884512), (14, 1480688), (16, 1295602), (22, 942256), (28, 740344), (32, 647801), (44, 471128), (47, 441056), (56, 370172), (77, 269216), (88, 235564), (94, 220528), (112, 185086), (154, 134608), (176, 117782), (179, 115808), (188, 110264), (224, 92543), (308, 67304), (329, 63008), (352, 58891), (358, 57904), (376, 55132), (517, 40096), (616, 33652), (658, 31504), (716, 28952), (752, 27566), (1034, 20048), (1232, 16826), (1253, 16544), (1316, 15752), (1432, 14476), (1504, 13783), (1969, 10528), (2068, 10024), (2464, 8413), (2506, 8272), (2632, 7876), (2864, 7238), (3619, 5728), (3938, 5264), (4136, 5012)]