20123976964

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{55285651}}^1$

素因数の和:55285675

約数の個数: 24

約数和(自身を含む): 43343951168

約数和(自身を除く): 23219974204

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 55285651, 110571302, 221142604, 386999557, 718713463, 773999114, 1437426926, 1547998228, 2874853852, 5030994241, 10061988482, 20123976964]

約数ペア:

[(1, 20123976964), (2, 10061988482), (4, 5030994241), (7, 2874853852), (13, 1547998228), (14, 1437426926), (26, 773999114), (28, 718713463), (52, 386999557), (91, 221142604), (182, 110571302), (364, 55285651)]