20699840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9241}}^1$

素因数の和:9265

約数の個数: 56

約数和(自身を含む): 56339232

約数和(自身を除く): 35639392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9241, 18482, 36964, 46205, 64687, 73928, 92410, 129374, 147856, 184820, 258748, 295712, 323435, 369640, 517496, 591424, 646870, 739280, 1034992, 1293740, 1478560, 2069984, 2587480, 2957120, 4139968, 5174960, 10349920, 20699840]

約数ペア:

[(1, 20699840), (2, 10349920), (4, 5174960), (5, 4139968), (7, 2957120), (8, 2587480), (10, 2069984), (14, 1478560), (16, 1293740), (20, 1034992), (28, 739280), (32, 646870), (35, 591424), (40, 517496), (56, 369640), (64, 323435), (70, 295712), (80, 258748), (112, 184820), (140, 147856), (160, 129374), (224, 92410), (280, 73928), (320, 64687), (448, 46205), (560, 36964), (1120, 18482), (2240, 9241)]