20983468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{59}}^2\times {\mathrm{137}}^1$

素因数の和:270

約数の個数: 36

約数和(自身を含む): 41047272

約数和(自身を除く): 20063804

約数列:

[1, 2, 4, 11, 22, 44, 59, 118, 137, 236, 274, 548, 649, 1298, 1507, 2596, 3014, 3481, 6028, 6962, 8083, 13924, 16166, 32332, 38291, 76582, 88913, 153164, 177826, 355652, 476897, 953794, 1907588, 5245867, 10491734, 20983468]

約数ペア:

[(1, 20983468), (2, 10491734), (4, 5245867), (11, 1907588), (22, 953794), (44, 476897), (59, 355652), (118, 177826), (137, 153164), (236, 88913), (274, 76582), (548, 38291), (649, 32332), (1298, 16166), (1507, 13924), (2596, 8083), (3014, 6962), (3481, 6028)]