20937223828

素因数分解:

$2^2\times {\mathrm{197}}^1\times {\mathrm{2417}}^1\times {\mathrm{10993}}^1$

素因数の和:13611

約数の個数: 24

約数和(自身を含む): 36844719912

約数和(自身を除く): 15907496084

約数列:

[1, 2, 4, 197, 394, 788, 2417, 4834, 9668, 10993, 21986, 43972, 476149, 952298, 1904596, 2165621, 4331242, 8662484, 26570081, 53140162, 106280324, 5234305957, 10468611914, 20937223828]

約数ペア:

[(1, 20937223828), (2, 10468611914), (4, 5234305957), (197, 106280324), (394, 53140162), (788, 26570081), (2417, 8662484), (4834, 4331242), (9668, 2165621), (10993, 1904596), (21986, 952298), (43972, 476149)]