20156773

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{617}}^1$

素因数の和:996

約数の個数: 16

約数和(自身を含む): 24917760

約数和(自身を除く): 4760987

約数列:

[1, 7, 13, 91, 359, 617, 2513, 4319, 4667, 8021, 32669, 56147, 221503, 1550521, 2879539, 20156773]

約数ペア:

[(1, 20156773), (7, 2879539), (13, 1550521), (91, 221503), (359, 56147), (617, 32669), (2513, 8021), (4319, 4667)]