20551410542

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{1129}}^1\times {\mathrm{1663}}^1$

素因数の和:3228

約数の個数: 32

約数和(自身を含む): 33326791680

約数和(自身を除く): 12775381138

約数列:

[1, 2, 13, 26, 421, 842, 1129, 1663, 2258, 3326, 5473, 10946, 14677, 21619, 29354, 43238, 475309, 700123, 950618, 1400246, 1877527, 3755054, 6179017, 9101599, 12358034, 18203198, 24407851, 48815702, 790438867, 1580877734, 10275705271, 20551410542]

約数ペア:

[(1, 20551410542), (2, 10275705271), (13, 1580877734), (26, 790438867), (421, 48815702), (842, 24407851), (1129, 18203198), (1663, 12358034), (2258, 9101599), (3326, 6179017), (5473, 3755054), (10946, 1877527), (14677, 1400246), (21619, 950618), (29354, 700123), (43238, 475309)]