20613824

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:166

約数の個数: 112

約数和(自身を含む): 52669440

約数和(自身を除く): 32055616

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 47, 56, 64, 77, 88, 89, 94, 112, 154, 176, 178, 188, 224, 308, 329, 352, 356, 376, 448, 517, 616, 623, 658, 704, 712, 752, 979, 1034, 1232, 1246, 1316, 1424, 1504, 1958, 2068, 2464, 2492, 2632, 2848, 3008, 3619, 3916, 4136, 4183, 4928, 4984, 5264, 5696, 6853, 7238, 7832, 8272, 8366, 9968, 10528, 13706, 14476, 15664, 16544, 16732, 19936, 21056, 27412, 28952, 29281, 31328, 33088, 33464, 39872, 46013, 54824, 57904, 58562, 62656, 66928, 92026, 109648, 115808, 117124, 133856, 184052, 219296, 231616, 234248, 267712, 322091, 368104, 438592, 468496, 644182, 736208, 936992, 1288364, 1472416, 1873984, 2576728, 2944832, 5153456, 10306912, 20613824]

約数ペア:

[(1, 20613824), (2, 10306912), (4, 5153456), (7, 2944832), (8, 2576728), (11, 1873984), (14, 1472416), (16, 1288364), (22, 936992), (28, 736208), (32, 644182), (44, 468496), (47, 438592), (56, 368104), (64, 322091), (77, 267712), (88, 234248), (89, 231616), (94, 219296), (112, 184052), (154, 133856), (176, 117124), (178, 115808), (188, 109648), (224, 92026), (308, 66928), (329, 62656), (352, 58562), (356, 57904), (376, 54824), (448, 46013), (517, 39872), (616, 33464), (623, 33088), (658, 31328), (704, 29281), (712, 28952), (752, 27412), (979, 21056), (1034, 19936), (1232, 16732), (1246, 16544), (1316, 15664), (1424, 14476), (1504, 13706), (1958, 10528), (2068, 9968), (2464, 8366), (2492, 8272), (2632, 7832), (2848, 7238), (3008, 6853), (3619, 5696), (3916, 5264), (4136, 4984), (4183, 4928)]