20358704

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{3271}}^1$

素因数の和:3668

約数の個数: 20

約数和(自身を含む): 39558480

約数和(自身を除く): 19199776

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 3271, 6224, 6542, 13084, 26168, 52336, 1272419, 2544838, 5089676, 10179352, 20358704]

約数ペア:

[(1, 20358704), (2, 10179352), (4, 5089676), (8, 2544838), (16, 1272419), (389, 52336), (778, 26168), (1556, 13084), (3112, 6542), (3271, 6224)]