20683785

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{359}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 14152695

約数列:

[1, 3, 5, 15, 23, 69, 115, 167, 345, 359, 501, 835, 1077, 1795, 2505, 3841, 5385, 8257, 11523, 19205, 24771, 41285, 57615, 59953, 123855, 179859, 299765, 899295, 1378919, 4136757, 6894595, 20683785]

約数ペア:

[(1, 20683785), (3, 6894595), (5, 4136757), (15, 1378919), (23, 899295), (69, 299765), (115, 179859), (167, 123855), (345, 59953), (359, 57615), (501, 41285), (835, 24771), (1077, 19205), (1795, 11523), (2505, 8257), (3841, 5385)]