20531686

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{9109}}^1$

素因数の和:9148

約数の個数: 24

約数和(自身を含む): 37387440

約数和(自身を除く): 16855754

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 322, 1127, 2254, 9109, 18218, 63763, 127526, 209507, 419014, 446341, 892682, 1466549, 2933098, 10265843, 20531686]

約数ペア:

[(1, 20531686), (2, 10265843), (7, 2933098), (14, 1466549), (23, 892682), (46, 446341), (49, 419014), (98, 209507), (161, 127526), (322, 63763), (1127, 18218), (2254, 9109)]