20465223

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{569}}^1\times {\mathrm{631}}^1$

素因数の和:1222

約数の個数: 16

約数和(自身を含む): 28819200

約数和(自身を除く): 8353977

約数列:

[1, 3, 19, 57, 569, 631, 1707, 1893, 10811, 11989, 32433, 35967, 359039, 1077117, 6821741, 20465223]

約数ペア:

[(1, 20465223), (3, 6821741), (19, 1077117), (57, 359039), (569, 35967), (631, 32433), (1707, 11989), (1893, 10811)]