20465312

素因数分解:

$2^5\times 7^1\times {\mathrm{211}}^1\times {\mathrm{433}}^1$

素因数の和:661

約数の個数: 48

約数和(自身を含む): 46372032

約数和(自身を除く): 25906720

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 211, 224, 422, 433, 844, 866, 1477, 1688, 1732, 2954, 3031, 3376, 3464, 5908, 6062, 6752, 6928, 11816, 12124, 13856, 23632, 24248, 47264, 48496, 91363, 96992, 182726, 365452, 639541, 730904, 1279082, 1461808, 2558164, 2923616, 5116328, 10232656, 20465312]

約数ペア:

[(1, 20465312), (2, 10232656), (4, 5116328), (7, 2923616), (8, 2558164), (14, 1461808), (16, 1279082), (28, 730904), (32, 639541), (56, 365452), (112, 182726), (211, 96992), (224, 91363), (422, 48496), (433, 47264), (844, 24248), (866, 23632), (1477, 13856), (1688, 12124), (1732, 11816), (2954, 6928), (3031, 6752), (3376, 6062), (3464, 5908)]