20692815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{877}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 39236064

約数和(自身を除く): 18543249

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 121, 143, 165, 195, 363, 429, 605, 715, 877, 1573, 1815, 2145, 2631, 4385, 4719, 7865, 9647, 11401, 13155, 23595, 28941, 34203, 48235, 57005, 106117, 125411, 144705, 171015, 318351, 376233, 530585, 627055, 1379521, 1591755, 1881165, 4138563, 6897605, 20692815]

約数ペア:

[(1, 20692815), (3, 6897605), (5, 4138563), (11, 1881165), (13, 1591755), (15, 1379521), (33, 627055), (39, 530585), (55, 376233), (65, 318351), (121, 171015), (143, 144705), (165, 125411), (195, 106117), (363, 57005), (429, 48235), (605, 34203), (715, 28941), (877, 23595), (1573, 13155), (1815, 11401), (2145, 9647), (2631, 7865), (4385, 4719)]