20610723

素因数分解:

$3^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{941}}^1$

素因数の和:1107

約数の個数: 24

約数和(自身を含む): 32216400

約数和(自身を除く): 11605677

約数列:

[1, 3, 7, 21, 49, 147, 149, 447, 941, 1043, 2823, 3129, 6587, 7301, 19761, 21903, 46109, 138327, 140209, 420627, 981463, 2944389, 6870241, 20610723]

約数ペア:

[(1, 20610723), (3, 6870241), (7, 2944389), (21, 981463), (49, 420627), (147, 140209), (149, 138327), (447, 46109), (941, 21903), (1043, 19761), (2823, 7301), (3129, 6587)]