20860951024

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{183661}}^1$

素因数の和:183929

約数の個数: 40

約数和(自身を含む): 41904321920

約数和(自身を除く): 21043370896

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 229, 248, 458, 496, 916, 1832, 3664, 7099, 14198, 28396, 56792, 113584, 183661, 367322, 734644, 1469288, 2938576, 5693491, 11386982, 22773964, 42058369, 45547928, 84116738, 91095856, 168233476, 336466952, 672933904, 1303809439, 2607618878, 5215237756, 10430475512, 20860951024]

約数ペア:

[(1, 20860951024), (2, 10430475512), (4, 5215237756), (8, 2607618878), (16, 1303809439), (31, 672933904), (62, 336466952), (124, 168233476), (229, 91095856), (248, 84116738), (458, 45547928), (496, 42058369), (916, 22773964), (1832, 11386982), (3664, 5693491), (7099, 2938576), (14198, 1469288), (28396, 734644), (56792, 367322), (113584, 183661)]