20121247923

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56362039}}^1$

素因数の和:56362066

約数の個数: 16

約数和(自身を含む): 32464535040

約数和(自身を除く): 12343287117

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56362039, 169086117, 394534273, 958154663, 1183602819, 2874463989, 6707082641, 20121247923]

約数ペア:

[(1, 20121247923), (3, 6707082641), (7, 2874463989), (17, 1183602819), (21, 958154663), (51, 394534273), (119, 169086117), (357, 56362039)]