20496968

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{5197}}^1$

素因数の和:5249

約数の個数: 32

約数和(自身を含む): 42103800

約数和(自身を除く): 21606832

約数列:

[1, 2, 4, 8, 17, 29, 34, 58, 68, 116, 136, 232, 493, 986, 1972, 3944, 5197, 10394, 20788, 41576, 88349, 150713, 176698, 301426, 353396, 602852, 706792, 1205704, 2562121, 5124242, 10248484, 20496968]

約数ペア:

[(1, 20496968), (2, 10248484), (4, 5124242), (8, 2562121), (17, 1205704), (29, 706792), (34, 602852), (58, 353396), (68, 301426), (116, 176698), (136, 150713), (232, 88349), (493, 41576), (986, 20788), (1972, 10394), (3944, 5197)]