20676535

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 28514304

約数和(自身を除く): 7837769

約数列:

[1, 5, 11, 31, 55, 67, 155, 181, 335, 341, 737, 905, 1705, 1991, 2077, 3685, 5611, 9955, 10385, 12127, 22847, 28055, 60635, 61721, 114235, 133397, 308605, 375937, 666985, 1879685, 4135307, 20676535]

約数ペア:

[(1, 20676535), (5, 4135307), (11, 1879685), (31, 666985), (55, 375937), (67, 308605), (155, 133397), (181, 114235), (335, 61721), (341, 60635), (737, 28055), (905, 22847), (1705, 12127), (1991, 10385), (2077, 9955), (3685, 5611)]