20805058028

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{239}}^1\times {\mathrm{199657}}^1$

素因数の和:200009

約数の個数: 24

約数和(自身を含む): 36896798400

約数和(自身を除く): 16091740372

約数列:

[1, 2, 4, 109, 218, 239, 436, 478, 956, 26051, 52102, 104204, 199657, 399314, 798628, 21762613, 43525226, 47718023, 87050452, 95436046, 190872092, 5201264507, 10402529014, 20805058028]

約数ペア:

[(1, 20805058028), (2, 10402529014), (4, 5201264507), (109, 190872092), (218, 95436046), (239, 87050452), (436, 47718023), (478, 43525226), (956, 21762613), (26051, 798628), (52102, 399314), (104204, 199657)]