20773431

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2213}}^1$

素因数の和:2375

約数の個数: 24

約数和(自身を含む): 34538400

約数和(自身を除く): 13764969

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 1043, 1341, 2213, 3129, 6639, 9387, 15491, 19917, 46473, 139419, 329737, 989211, 2308159, 2967633, 6924477, 20773431]

約数ペア:

[(1, 20773431), (3, 6924477), (7, 2967633), (9, 2308159), (21, 989211), (63, 329737), (149, 139419), (447, 46473), (1043, 19917), (1341, 15491), (2213, 9387), (3129, 6639)]