20297263

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1511}}^1$

素因数の和:1638

約数の個数: 16

約数和(自身を含む): 24675840

約数和(自身を除く): 4378577

約数列:

[1, 7, 19, 101, 133, 707, 1511, 1919, 10577, 13433, 28709, 152611, 200963, 1068277, 2899609, 20297263]

約数ペア:

[(1, 20297263), (7, 2899609), (19, 1068277), (101, 200963), (133, 152611), (707, 28709), (1511, 13433), (1919, 10577)]