20178704918

素因数分解:

$2^1\times {\mathrm{223}}^1\times {\mathrm{761}}^1\times {\mathrm{59453}}^1$

素因数の和:60439

約数の個数: 16

約数和(自身を含む): 30444253056

約数和(自身を除く): 10265548138

約数列:

[1, 2, 223, 446, 761, 1522, 59453, 118906, 169703, 339406, 13258019, 26516038, 45243733, 90487466, 10089352459, 20178704918]

約数ペア:

[(1, 20178704918), (2, 10089352459), (223, 90487466), (446, 45243733), (761, 26516038), (1522, 13258019), (59453, 339406), (118906, 169703)]