20805543388

素因数分解:

$2^2\times 7^1\times {\mathrm{97501}}^1\times {\mathrm{7621}}^1$

素因数の和:105133

約数の個数: 24

約数和(自身を含む): 41616973664

約数和(自身を除く): 20811430276

約数列:

[1, 2, 4, 7, 14, 28, 7621, 15242, 30484, 53347, 97501, 106694, 195002, 213388, 390004, 682507, 1365014, 2730028, 743055121, 1486110242, 2972220484, 5201385847, 10402771694, 20805543388]

約数ペア:

[(1, 20805543388), (2, 10402771694), (4, 5201385847), (7, 2972220484), (14, 1486110242), (28, 743055121), (7621, 2730028), (15242, 1365014), (30484, 682507), (53347, 390004), (97501, 213388), (106694, 195002)]