20437404

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131009}}^1$

素因数の和:131029

約数の個数: 24

約数和(自身を含む): 51355920

約数和(自身を除く): 30918516

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 131009, 262018, 393027, 524036, 786054, 1572108, 1703117, 3406234, 5109351, 6812468, 10218702, 20437404]

約数ペア:

[(1, 20437404), (2, 10218702), (3, 6812468), (4, 5109351), (6, 3406234), (12, 1703117), (13, 1572108), (26, 786054), (39, 524036), (52, 393027), (78, 262018), (156, 131009)]