20189484416

素因数分解:

$2^7\times {\mathrm{157730347}}^1$

素因数の和:157730361

約数の個数: 16

約数和(自身を含む): 40221238740

約数和(自身を除く): 20031754324

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157730347, 315460694, 630921388, 1261842776, 2523685552, 5047371104, 10094742208, 20189484416]

約数ペア:

[(1, 20189484416), (2, 10094742208), (4, 5047371104), (8, 2523685552), (16, 1261842776), (32, 630921388), (64, 315460694), (128, 157730347)]