20468110

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1993}}^1$

素因数の和:2092

約数の個数: 32

約数和(自身を含む): 40199040

約数和(自身を除く): 19730930

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 395, 790, 1027, 1993, 2054, 3986, 5135, 9965, 10270, 19930, 25909, 51818, 129545, 157447, 259090, 314894, 787235, 1574470, 2046811, 4093622, 10234055, 20468110]

約数ペア:

[(1, 20468110), (2, 10234055), (5, 4093622), (10, 2046811), (13, 1574470), (26, 787235), (65, 314894), (79, 259090), (130, 157447), (158, 129545), (395, 51818), (790, 25909), (1027, 19930), (1993, 10270), (2054, 9965), (3986, 5135)]