20489035

素因数分解:

$5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{4273}}^1$

素因数の和:4422

約数の個数: 16

約数和(自身を含む): 28310976

約数和(自身を除く): 7821941

約数列:

[1, 5, 7, 35, 137, 685, 959, 4273, 4795, 21365, 29911, 149555, 585401, 2927005, 4097807, 20489035]

約数ペア:

[(1, 20489035), (5, 4097807), (7, 2927005), (35, 585401), (137, 149555), (685, 29911), (959, 21365), (4273, 4795)]