20996045

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31573}}^1$

素因数の和:31604

約数の個数: 16

約数和(自身を含む): 30311040

約数和(自身を除く): 9314995

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 31573, 157865, 221011, 599887, 1105055, 2999435, 4199209, 20996045]

約数ペア:

[(1, 20996045), (5, 4199209), (7, 2999435), (19, 1105055), (35, 599887), (95, 221011), (133, 157865), (665, 31573)]