20178859547

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{170503}}^1$

素因数の和:170603

約数の個数: 32

約数和(自身を含む): 26516782080

約数和(自身を除く): 6337922533

約数列:

[1, 7, 11, 29, 53, 77, 203, 319, 371, 583, 1537, 2233, 4081, 10759, 16907, 118349, 170503, 1193521, 1875533, 4944587, 9036659, 13128731, 34612109, 54390457, 63256613, 99403249, 262063111, 380733199, 695822743, 1834441777, 2882694221, 20178859547]

約数ペア:

[(1, 20178859547), (7, 2882694221), (11, 1834441777), (29, 695822743), (53, 380733199), (77, 262063111), (203, 99403249), (319, 63256613), (371, 54390457), (583, 34612109), (1537, 13128731), (2233, 9036659), (4081, 4944587), (10759, 1875533), (16907, 1193521), (118349, 170503)]