20714910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{823}}^1\times {\mathrm{839}}^1$

素因数の和:1672

約数の個数: 32

約数和(自身を含む): 49835520

約数和(自身を除く): 29120610

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 823, 839, 1646, 1678, 2469, 2517, 4115, 4195, 4938, 5034, 8230, 8390, 12345, 12585, 24690, 25170, 690497, 1380994, 2071491, 3452485, 4142982, 6904970, 10357455, 20714910]

約数ペア:

[(1, 20714910), (2, 10357455), (3, 6904970), (5, 4142982), (6, 3452485), (10, 2071491), (15, 1380994), (30, 690497), (823, 25170), (839, 24690), (1646, 12585), (1678, 12345), (2469, 8390), (2517, 8230), (4115, 5034), (4195, 4938)]