20949858

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{27067}}^1$

素因数の和:27118

約数の個数: 24

約数和(自身を含む): 46448688

約数和(自身を除く): 25498830

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 27067, 54134, 81201, 162402, 243603, 487206, 1163881, 2327762, 3491643, 6983286, 10474929, 20949858]

約数ペア:

[(1, 20949858), (2, 10474929), (3, 6983286), (6, 3491643), (9, 2327762), (18, 1163881), (43, 487206), (86, 243603), (129, 162402), (258, 81201), (387, 54134), (774, 27067)]