20218887957

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{227}}^1\times {\mathrm{4591}}^1$

素因数の和:5073

約数の個数: 32

約数和(自身を含む): 28142714880

約数和(自身を除く): 7923826923

約数列:

[1, 3, 29, 87, 223, 227, 669, 681, 4591, 6467, 6583, 13773, 19401, 19749, 50621, 133139, 151863, 399417, 1023793, 1042157, 1468009, 3071379, 3126471, 4404027, 29689997, 30222553, 89069991, 90667659, 232401011, 697203033, 6739629319, 20218887957]

約数ペア:

[(1, 20218887957), (3, 6739629319), (29, 697203033), (87, 232401011), (223, 90667659), (227, 89069991), (669, 30222553), (681, 29689997), (4591, 4404027), (6467, 3126471), (6583, 3071379), (13773, 1468009), (19401, 1042157), (19749, 1023793), (50621, 399417), (133139, 151863)]