20175363579

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{385991}}^1$

素因数の和:386151

約数の個数: 32

約数和(自身を含む): 32608604160

約数和(自身を除く): 12433240581

約数列:

[1, 3, 7, 19, 21, 57, 131, 133, 393, 399, 917, 2489, 2751, 7467, 17423, 52269, 385991, 1157973, 2701937, 7333829, 8105811, 22001487, 50564821, 51336803, 151694463, 154010409, 353953747, 960731599, 1061861241, 2882194797, 6725121193, 20175363579]

約数ペア:

[(1, 20175363579), (3, 6725121193), (7, 2882194797), (19, 1061861241), (21, 960731599), (57, 353953747), (131, 154010409), (133, 151694463), (393, 51336803), (399, 50564821), (917, 22001487), (2489, 8105811), (2751, 7333829), (7467, 2701937), (17423, 1157973), (52269, 385991)]