20201477945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1973}}^1\times {\mathrm{186163}}^1$

素因数の和:188152

約数の個数: 16

約数和(自身を含む): 26459116992

約数和(自身を除く): 6257639047

約数列:

[1, 5, 11, 55, 1973, 9865, 21703, 108515, 186163, 930815, 2047793, 10238965, 367299599, 1836497995, 4040295589, 20201477945]

約数ペア:

[(1, 20201477945), (5, 4040295589), (11, 1836497995), (55, 367299599), (1973, 10238965), (9865, 2047793), (21703, 930815), (108515, 186163)]