20488820690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157606313}}^1$

素因数の和:157606333

約数の個数: 16

約数和(自身を含む): 39716791128

約数和(自身を除く): 19227970438

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157606313, 315212626, 788031565, 1576063130, 2048882069, 4097764138, 10244410345, 20488820690]

約数ペア:

[(1, 20488820690), (2, 10244410345), (5, 4097764138), (10, 2048882069), (13, 1576063130), (26, 788031565), (65, 315212626), (130, 157606313)]