20534475

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{21061}}^1$

素因数の和:21087

約数の個数: 24

約数和(自身を含む): 36563632

約数和(自身を除く): 16029157

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 21061, 63183, 105305, 273793, 315915, 526525, 821379, 1368965, 1579575, 4106895, 6844825, 20534475]

約数ペア:

[(1, 20534475), (3, 6844825), (5, 4106895), (13, 1579575), (15, 1368965), (25, 821379), (39, 526525), (65, 315915), (75, 273793), (195, 105305), (325, 63183), (975, 21061)]