20849816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{463}}^1$

素因数の和:915

約数の個数: 32

約数和(自身を含む): 42288960

約数和(自身を除く): 21439144

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 433, 463, 866, 926, 1732, 1852, 3464, 3704, 5629, 6019, 11258, 12038, 22516, 24076, 45032, 48152, 200479, 400958, 801916, 1603832, 2606227, 5212454, 10424908, 20849816]

約数ペア:

[(1, 20849816), (2, 10424908), (4, 5212454), (8, 2606227), (13, 1603832), (26, 801916), (52, 400958), (104, 200479), (433, 48152), (463, 45032), (866, 24076), (926, 22516), (1732, 12038), (1852, 11258), (3464, 6019), (3704, 5629)]