20577494

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{77359}}^1$

素因数の和:77387

約数の個数: 16

約数和(自身を含む): 37132800

約数和(自身を除く): 16555306

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 77359, 154718, 541513, 1083026, 1469821, 2939642, 10288747, 20577494]

約数ペア:

[(1, 20577494), (2, 10288747), (7, 2939642), (14, 1469821), (19, 1083026), (38, 541513), (133, 154718), (266, 77359)]