20168715

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11299}}^1$

素因数の和:11331

約数の個数: 32

約数和(自身を含む): 39052800

約数和(自身を除く): 18884085

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 11299, 33897, 56495, 79093, 169485, 192083, 237279, 395465, 576249, 960415, 1186395, 1344581, 2881245, 4033743, 6722905, 20168715]

約数ペア:

[(1, 20168715), (3, 6722905), (5, 4033743), (7, 2881245), (15, 1344581), (17, 1186395), (21, 960415), (35, 576249), (51, 395465), (85, 237279), (105, 192083), (119, 169485), (255, 79093), (357, 56495), (595, 33897), (1785, 11299)]