20489574

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15737}}^1$

素因数の和:15780

約数の個数: 32

約数和(自身を含む): 48347136

約数和(自身を除く): 27857562

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 434, 651, 1302, 15737, 31474, 47211, 94422, 110159, 220318, 330477, 487847, 660954, 975694, 1463541, 2927082, 3414929, 6829858, 10244787, 20489574]

約数ペア:

[(1, 20489574), (2, 10244787), (3, 6829858), (6, 3414929), (7, 2927082), (14, 1463541), (21, 975694), (31, 660954), (42, 487847), (62, 330477), (93, 220318), (186, 110159), (217, 94422), (434, 47211), (651, 31474), (1302, 15737)]