20612210

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{66491}}^1$

素因数の和:66529

約数の個数: 16

約数和(自身を含む): 38299392

約数和(自身を除く): 17687182

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 66491, 132982, 332455, 664910, 2061221, 4122442, 10306105, 20612210]

約数ペア:

[(1, 20612210), (2, 10306105), (5, 4122442), (10, 2061221), (31, 664910), (62, 332455), (155, 132982), (310, 66491)]