20405468170

素因数分解:

$2^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{174959}}^1$

素因数の和:175182

約数の個数: 32

約数和(自身を含む): 37413446400

約数和(自身を除く): 17007978230

約数列:

[1, 2, 5, 10, 107, 109, 214, 218, 535, 545, 1070, 1090, 11663, 23326, 58315, 116630, 174959, 349918, 874795, 1749590, 18720613, 19070531, 37441226, 38141062, 93603065, 95352655, 187206130, 190705310, 2040546817, 4081093634, 10202734085, 20405468170]

約数ペア:

[(1, 20405468170), (2, 10202734085), (5, 4081093634), (10, 2040546817), (107, 190705310), (109, 187206130), (214, 95352655), (218, 93603065), (535, 38141062), (545, 37441226), (1070, 19070531), (1090, 18720613), (11663, 1749590), (23326, 874795), (58315, 349918), (116630, 174959)]