20147463

素因数分解:

$3^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1657}}^1$

素因数の和:1863

約数の個数: 24

約数和(自身を含む): 33451808

約数和(自身を除く): 13304345

約数列:

[1, 3, 7, 9, 21, 63, 193, 579, 1351, 1657, 1737, 4053, 4971, 11599, 12159, 14913, 34797, 104391, 319801, 959403, 2238607, 2878209, 6715821, 20147463]

約数ペア:

[(1, 20147463), (3, 6715821), (7, 2878209), (9, 2238607), (21, 959403), (63, 319801), (193, 104391), (579, 34797), (1351, 14913), (1657, 12159), (1737, 11599), (4053, 4971)]