20647698

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{953}}^1$

素因数の和:1138

約数の個数: 32

約数和(自身を含む): 43410816

約数和(自身を除く): 22763118

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 157, 314, 471, 942, 953, 1906, 2859, 3611, 5718, 7222, 10833, 21666, 21919, 43838, 65757, 131514, 149621, 299242, 448863, 897726, 3441283, 6882566, 10323849, 20647698]

約数ペア:

[(1, 20647698), (2, 10323849), (3, 6882566), (6, 3441283), (23, 897726), (46, 448863), (69, 299242), (138, 149621), (157, 131514), (314, 65757), (471, 43838), (942, 21919), (953, 21666), (1906, 10833), (2859, 7222), (3611, 5718)]