20960984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{761}}^1$

素因数の和:1091

約数の個数: 32

約数和(自身を含む): 43068240

約数和(自身を除く): 22107256

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 313, 626, 761, 1252, 1522, 2504, 3044, 3443, 6088, 6886, 8371, 13772, 16742, 27544, 33484, 66968, 238193, 476386, 952772, 1905544, 2620123, 5240246, 10480492, 20960984]

約数ペア:

[(1, 20960984), (2, 10480492), (4, 5240246), (8, 2620123), (11, 1905544), (22, 952772), (44, 476386), (88, 238193), (313, 66968), (626, 33484), (761, 27544), (1252, 16742), (1522, 13772), (2504, 8371), (3044, 6886), (3443, 6088)]