20859496

素因数分解:

$2^3\times 7^2\times {\mathrm{127}}^1\times {\mathrm{419}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 45964800

約数和(自身を除く): 25105304

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 127, 196, 254, 392, 419, 508, 838, 889, 1016, 1676, 1778, 2933, 3352, 3556, 5866, 6223, 7112, 11732, 12446, 20531, 23464, 24892, 41062, 49784, 53213, 82124, 106426, 164248, 212852, 372491, 425704, 744982, 1489964, 2607437, 2979928, 5214874, 10429748, 20859496]

約数ペア:

[(1, 20859496), (2, 10429748), (4, 5214874), (7, 2979928), (8, 2607437), (14, 1489964), (28, 744982), (49, 425704), (56, 372491), (98, 212852), (127, 164248), (196, 106426), (254, 82124), (392, 53213), (419, 49784), (508, 41062), (838, 24892), (889, 23464), (1016, 20531), (1676, 12446), (1778, 11732), (2933, 7112), (3352, 6223), (3556, 5866)]