20279761340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53367793}}^1$

素因数の和:53367821

約数の個数: 24

約数和(自身を含む): 44828946960

約数和(自身を除く): 24549185620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 53367793, 106735586, 213471172, 266838965, 533677930, 1013988067, 1067355860, 2027976134, 4055952268, 5069940335, 10139880670, 20279761340]

約数ペア:

[(1, 20279761340), (2, 10139880670), (4, 5069940335), (5, 4055952268), (10, 2027976134), (19, 1067355860), (20, 1013988067), (38, 533677930), (76, 266838965), (95, 213471172), (190, 106735586), (380, 53367793)]