20921846912

素因数分解:

$2^7\times {\mathrm{163451929}}^1$

素因数の和:163451943

約数の個数: 16

約数和(自身を含む): 41680242150

約数和(自身を除く): 20758395238

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 163451929, 326903858, 653807716, 1307615432, 2615230864, 5230461728, 10460923456, 20921846912]

約数ペア:

[(1, 20921846912), (2, 10460923456), (4, 5230461728), (8, 2615230864), (16, 1307615432), (32, 653807716), (64, 326903858), (128, 163451929)]