20128682

素因数分解:

$2^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{2243}}^1$

素因数の和:2893

約数の個数: 16

約数和(自身を含む): 34575552

約数和(自身を除く): 14446870

約数列:

[1, 2, 7, 14, 641, 1282, 2243, 4486, 4487, 8974, 15701, 31402, 1437763, 2875526, 10064341, 20128682]

約数ペア:

[(1, 20128682), (2, 10064341), (7, 2875526), (14, 1437763), (641, 31402), (1282, 15701), (2243, 8974), (4486, 4487)]