20324318

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:237

約数の個数: 48

約数和(自身を含む): 37822464

約数和(自身を除く): 17498146

約数列:

[1, 2, 7, 14, 23, 46, 49, 71, 98, 127, 142, 161, 254, 322, 497, 889, 994, 1127, 1633, 1778, 2254, 2921, 3266, 3479, 5842, 6223, 6958, 9017, 11431, 12446, 18034, 20447, 22862, 40894, 63119, 80017, 126238, 143129, 160034, 207391, 286258, 414782, 441833, 883666, 1451737, 2903474, 10162159, 20324318]

約数ペア:

[(1, 20324318), (2, 10162159), (7, 2903474), (14, 1451737), (23, 883666), (46, 441833), (49, 414782), (71, 286258), (98, 207391), (127, 160034), (142, 143129), (161, 126238), (254, 80017), (322, 63119), (497, 40894), (889, 22862), (994, 20447), (1127, 18034), (1633, 12446), (1778, 11431), (2254, 9017), (2921, 6958), (3266, 6223), (3479, 5842)]