20856946

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1217}}^1$

素因数の和:1290

約数の個数: 32

約数和(自身を含む): 36832320

約数和(自身を除く): 15975374

約数列:

[1, 2, 11, 19, 22, 38, 41, 82, 209, 418, 451, 779, 902, 1217, 1558, 2434, 8569, 13387, 17138, 23123, 26774, 46246, 49897, 99794, 254353, 508706, 548867, 948043, 1097734, 1896086, 10428473, 20856946]

約数ペア:

[(1, 20856946), (2, 10428473), (11, 1896086), (19, 1097734), (22, 948043), (38, 548867), (41, 508706), (82, 254353), (209, 99794), (418, 49897), (451, 46246), (779, 26774), (902, 23123), (1217, 17138), (1558, 13387), (2434, 8569)]