20115015

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{433}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 34164480

約数和(自身を除く): 14049465

約数列:

[1, 3, 5, 15, 19, 57, 95, 163, 285, 433, 489, 815, 1299, 2165, 2445, 3097, 6495, 8227, 9291, 15485, 24681, 41135, 46455, 70579, 123405, 211737, 352895, 1058685, 1341001, 4023003, 6705005, 20115015]

約数ペア:

[(1, 20115015), (3, 6705005), (5, 4023003), (15, 1341001), (19, 1058685), (57, 352895), (95, 211737), (163, 123405), (285, 70579), (433, 46455), (489, 41135), (815, 24681), (1299, 15485), (2165, 9291), (2445, 8227), (3097, 6495)]