20076065

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 27786240

約数和(自身を除く): 7710175

約数列:

[1, 5, 17, 19, 31, 85, 95, 155, 323, 401, 527, 589, 1615, 2005, 2635, 2945, 6817, 7619, 10013, 12431, 34085, 38095, 50065, 62155, 129523, 211327, 236189, 647615, 1056635, 1180945, 4015213, 20076065]

約数ペア:

[(1, 20076065), (5, 4015213), (17, 1180945), (19, 1056635), (31, 647615), (85, 236189), (95, 211327), (155, 129523), (323, 62155), (401, 50065), (527, 38095), (589, 34085), (1615, 12431), (2005, 10013), (2635, 7619), (2945, 6817)]