20263292

素因数分解:

$2^2\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1129}}^1$

素因数の和:1781

約数の個数: 24

約数和(自身を含む): 40625760

約数和(自身を除く): 20362468

約数列:

[1, 2, 4, 7, 14, 28, 641, 1129, 1282, 2258, 2564, 4487, 4516, 7903, 8974, 15806, 17948, 31612, 723689, 1447378, 2894756, 5065823, 10131646, 20263292]

約数ペア:

[(1, 20263292), (2, 10131646), (4, 5065823), (7, 2894756), (14, 1447378), (28, 723689), (641, 31612), (1129, 17948), (1282, 15806), (2258, 8974), (2564, 7903), (4487, 4516)]