20294769

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^2\times {\mathrm{137}}^1$

素因数の和:285

約数の個数: 24

約数和(自身を含む): 30185568

約数和(自身を除く): 9890799

約数列:

[1, 3, 11, 33, 67, 137, 201, 411, 737, 1507, 2211, 4489, 4521, 9179, 13467, 27537, 49379, 100969, 148137, 302907, 614993, 1844979, 6764923, 20294769]

約数ペア:

[(1, 20294769), (3, 6764923), (11, 1844979), (33, 614993), (67, 302907), (137, 148137), (201, 100969), (411, 49379), (737, 27537), (1507, 13467), (2211, 9179), (4489, 4521)]