20309366

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:681

約数の個数: 48

約数和(自身を含む): 40346880

約数和(自身を除く): 20037514

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 121, 133, 154, 209, 242, 266, 418, 631, 847, 1262, 1463, 1694, 2299, 2926, 4417, 4598, 6941, 8834, 11989, 13882, 16093, 23978, 32186, 48587, 76351, 83923, 97174, 131879, 152702, 167846, 263758, 534457, 923153, 1068914, 1450669, 1846306, 2901338, 10154683, 20309366]

約数ペア:

[(1, 20309366), (2, 10154683), (7, 2901338), (11, 1846306), (14, 1450669), (19, 1068914), (22, 923153), (38, 534457), (77, 263758), (121, 167846), (133, 152702), (154, 131879), (209, 97174), (242, 83923), (266, 76351), (418, 48587), (631, 32186), (847, 23978), (1262, 16093), (1463, 13882), (1694, 11989), (2299, 8834), (2926, 6941), (4417, 4598)]