20262560

素因数分解:

$2^5\times 5^1\times {\mathrm{126641}}^1$

素因数の和:126656

約数の個数: 24

約数和(自身を含む): 47870676

約数和(自身を除く): 27608116

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 126641, 253282, 506564, 633205, 1013128, 1266410, 2026256, 2532820, 4052512, 5065640, 10131280, 20262560]

約数ペア:

[(1, 20262560), (2, 10131280), (4, 5065640), (5, 4052512), (8, 2532820), (10, 2026256), (16, 1266410), (20, 1013128), (32, 633205), (40, 506564), (80, 253282), (160, 126641)]