20689902

素因数分解:

$2^1\times 3^2\times {\mathrm{293}}^1\times {\mathrm{3923}}^1$

素因数の和:4224

約数の個数: 24

約数和(自身を含む): 44992584

約数和(自身を除く): 24302682

約数列:

[1, 2, 3, 6, 9, 18, 293, 586, 879, 1758, 2637, 3923, 5274, 7846, 11769, 23538, 35307, 70614, 1149439, 2298878, 3448317, 6896634, 10344951, 20689902]

約数ペア:

[(1, 20689902), (2, 10344951), (3, 6896634), (6, 3448317), (9, 2298878), (18, 1149439), (293, 70614), (586, 35307), (879, 23538), (1758, 11769), (2637, 7846), (3923, 5274)]