20852842

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:282

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 13361558

約数列:

[1, 2, 19, 38, 59, 71, 118, 131, 142, 262, 1121, 1349, 2242, 2489, 2698, 4189, 4978, 7729, 8378, 9301, 15458, 18602, 79591, 146851, 159182, 176719, 293702, 353438, 548759, 1097518, 10426421, 20852842]

約数ペア:

[(1, 20852842), (2, 10426421), (19, 1097518), (38, 548759), (59, 353438), (71, 293702), (118, 176719), (131, 159182), (142, 146851), (262, 79591), (1121, 18602), (1349, 15458), (2242, 9301), (2489, 8378), (2698, 7729), (4189, 4978)]