20710851

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{6619}}^1$

素因数の和:6778

約数の個数: 16

約数和(自身を含む): 31776000

約数和(自身を除く): 11065149

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 6619, 19857, 46333, 138999, 986231, 2958693, 6903617, 20710851]

約数ペア:

[(1, 20710851), (3, 6903617), (7, 2958693), (21, 986231), (149, 138999), (447, 46333), (1043, 19857), (3129, 6619)]