20802180077

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{929}}^1\times {\mathrm{5431}}^1$

素因数の和:6417

約数の個数: 32

約数和(自身を含む): 25865011200

約数和(自身を除く): 5062831123

約数列:

[1, 7, 19, 31, 133, 217, 589, 929, 4123, 5431, 6503, 17651, 28799, 38017, 103189, 123557, 168361, 201593, 547181, 722323, 1178527, 3198859, 3830267, 5045399, 22392013, 35317793, 95862581, 156407369, 671038067, 1094851583, 2971740011, 20802180077]

約数ペア:

[(1, 20802180077), (7, 2971740011), (19, 1094851583), (31, 671038067), (133, 156407369), (217, 95862581), (589, 35317793), (929, 22392013), (4123, 5045399), (5431, 3830267), (6503, 3198859), (17651, 1178527), (28799, 722323), (38017, 547181), (103189, 201593), (123557, 168361)]