20910013

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{811}}^1$

素因数の和:912

約数の個数: 16

約数和(自身を含む): 23385600

約数和(自身を除く): 2475587

約数列:

[1, 19, 23, 59, 437, 811, 1121, 1357, 15409, 18653, 25783, 47849, 354407, 909131, 1100527, 20910013]

約数ペア:

[(1, 20910013), (19, 1100527), (23, 909131), (59, 354407), (437, 47849), (811, 25783), (1121, 18653), (1357, 15409)]