20538085688

素因数分解:

$2^3\times {\mathrm{1319}}^1\times {\mathrm{1946369}}^1$

素因数の和:1947694

約数の個数: 16

約数和(自身を含む): 38538126000

約数和(自身を除く): 18000040312

約数列:

[1, 2, 4, 8, 1319, 2638, 5276, 10552, 1946369, 3892738, 7785476, 15570952, 2567260711, 5134521422, 10269042844, 20538085688]

約数ペア:

[(1, 20538085688), (2, 10269042844), (4, 5134521422), (8, 2567260711), (1319, 15570952), (2638, 7785476), (5276, 3892738), (10552, 1946369)]