20186240

素因数分解:

$2^7\times 5^1\times {\mathrm{31541}}^1$

素因数の和:31560

約数の個数: 32

約数和(自身を含む): 48259260

約数和(自身を除く): 28073020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 31541, 63082, 126164, 157705, 252328, 315410, 504656, 630820, 1009312, 1261640, 2018624, 2523280, 4037248, 5046560, 10093120, 20186240]

約数ペア:

[(1, 20186240), (2, 10093120), (4, 5046560), (5, 4037248), (8, 2523280), (10, 2018624), (16, 1261640), (20, 1009312), (32, 630820), (40, 504656), (64, 315410), (80, 252328), (128, 157705), (160, 126164), (320, 63082), (640, 31541)]