20157735

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{619}}^1$

素因数の和:807

約数の個数: 32

約数和(自身を含む): 34997760

約数和(自身を除く): 14840025

約数列:

[1, 3, 5, 13, 15, 39, 65, 167, 195, 501, 619, 835, 1857, 2171, 2505, 3095, 6513, 8047, 9285, 10855, 24141, 32565, 40235, 103373, 120705, 310119, 516865, 1343849, 1550595, 4031547, 6719245, 20157735]

約数ペア:

[(1, 20157735), (3, 6719245), (5, 4031547), (13, 1550595), (15, 1343849), (39, 516865), (65, 310119), (167, 120705), (195, 103373), (501, 40235), (619, 32565), (835, 24141), (1857, 10855), (2171, 9285), (2505, 8047), (3095, 6513)]