20468864

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{12301}}^1$

素因数の和:12328

約数の個数: 32

約数和(自身を含む): 43918140

約数和(自身を除く): 23449276

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 12301, 24602, 49204, 98408, 159913, 196816, 319826, 393632, 639652, 787264, 1279304, 1574528, 2558608, 5117216, 10234432, 20468864]

約数ペア:

[(1, 20468864), (2, 10234432), (4, 5117216), (8, 2558608), (13, 1574528), (16, 1279304), (26, 787264), (32, 639652), (52, 393632), (64, 319826), (104, 196816), (128, 159913), (208, 98408), (416, 49204), (832, 24602), (1664, 12301)]