20380860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{113227}}^1$

素因数の和:113242

約数の個数: 36

約数和(自身を含む): 61822488

約数和(自身を除く): 41441628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 113227, 226454, 339681, 452908, 566135, 679362, 1019043, 1132270, 1358724, 1698405, 2038086, 2264540, 3396810, 4076172, 5095215, 6793620, 10190430, 20380860]

約数ペア:

[(1, 20380860), (2, 10190430), (3, 6793620), (4, 5095215), (5, 4076172), (6, 3396810), (9, 2264540), (10, 2038086), (12, 1698405), (15, 1358724), (18, 1132270), (20, 1019043), (30, 679362), (36, 566135), (45, 452908), (60, 339681), (90, 226454), (180, 113227)]