20446227

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 30264000

約数和(自身を除く): 9817773

約数列:

[1, 3, 9, 79, 149, 193, 237, 447, 579, 711, 1341, 1737, 11771, 15247, 28757, 35313, 45741, 86271, 105939, 137223, 258813, 2271803, 6815409, 20446227]

約数ペア:

[(1, 20446227), (3, 6815409), (9, 2271803), (79, 258813), (149, 137223), (193, 105939), (237, 86271), (447, 45741), (579, 35313), (711, 28757), (1341, 15247), (1737, 11771)]