20171728203

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1697}}^1\times {\mathrm{15661}}^1$

素因数の和:17395

約数の個数: 32

約数和(自身を含む): 30636375552

約数和(自身を除く): 10464647349

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 1697, 5091, 15661, 18667, 39031, 46983, 56001, 117093, 172271, 360203, 429341, 516813, 1080609, 1288023, 3962233, 11886699, 26576717, 79730151, 292343887, 611264491, 877031661, 1833793473, 6723909401, 20171728203]

約数ペア:

[(1, 20171728203), (3, 6723909401), (11, 1833793473), (23, 877031661), (33, 611264491), (69, 292343887), (253, 79730151), (759, 26576717), (1697, 11886699), (5091, 3962233), (15661, 1288023), (18667, 1080609), (39031, 516813), (46983, 429341), (56001, 360203), (117093, 172271)]