20173896320

素因数分解:

$2^7\times 5^1\times {\mathrm{31521713}}^1$

素因数の和:31521732

約数の個数: 32

約数和(自身を含む): 48228222420

約数和(自身を除く): 28054326100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 31521713, 63043426, 126086852, 157608565, 252173704, 315217130, 504347408, 630434260, 1008694816, 1260868520, 2017389632, 2521737040, 4034779264, 5043474080, 10086948160, 20173896320]

約数ペア:

[(1, 20173896320), (2, 10086948160), (4, 5043474080), (5, 4034779264), (8, 2521737040), (10, 2017389632), (16, 1260868520), (20, 1008694816), (32, 630434260), (40, 504347408), (64, 315217130), (80, 252173704), (128, 157608565), (160, 126086852), (320, 63043426), (640, 31521713)]