20201890

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{15907}}^1$

素因数の和:16041

約数の個数: 16

約数和(自身を含む): 36652032

約数和(自身を除く): 16450142

約数列:

[1, 2, 5, 10, 127, 254, 635, 1270, 15907, 31814, 79535, 159070, 2020189, 4040378, 10100945, 20201890]

約数ペア:

[(1, 20201890), (2, 10100945), (5, 4040378), (10, 2020189), (127, 159070), (254, 79535), (635, 31814), (1270, 15907)]