20954588

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{4201}}^1$

素因数の和:4277

約数の個数: 24

約数和(自身を含む): 38826480

約数和(自身を除く): 17871892

約数列:

[1, 2, 4, 29, 43, 58, 86, 116, 172, 1247, 2494, 4201, 4988, 8402, 16804, 121829, 180643, 243658, 361286, 487316, 722572, 5238647, 10477294, 20954588]

約数ペア:

[(1, 20954588), (2, 10477294), (4, 5238647), (29, 722572), (43, 487316), (58, 361286), (86, 243658), (116, 180643), (172, 121829), (1247, 16804), (2494, 8402), (4201, 4988)]