20650910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15527}}^1$

素因数の和:15560

約数の個数: 32

約数和(自身を含む): 44720640

約数和(自身を除く): 24069730

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 15527, 31054, 77635, 108689, 155270, 217378, 295013, 543445, 590026, 1086890, 1475065, 2065091, 2950130, 4130182, 10325455, 20650910]

約数ペア:

[(1, 20650910), (2, 10325455), (5, 4130182), (7, 2950130), (10, 2065091), (14, 1475065), (19, 1086890), (35, 590026), (38, 543445), (70, 295013), (95, 217378), (133, 155270), (190, 108689), (266, 77635), (665, 31054), (1330, 15527)]