15228020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{17707}}^1$

素因数の和:17759

約数の個数: 24

約数和(自身を含む): 32724384

約数和(自身を除く): 17496364

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 17707, 35414, 70828, 88535, 177070, 354140, 761401, 1522802, 3045604, 3807005, 7614010, 15228020]

約数ペア:

[(1, 15228020), (2, 7614010), (4, 3807005), (5, 3045604), (10, 1522802), (20, 761401), (43, 354140), (86, 177070), (172, 88535), (215, 70828), (430, 35414), (860, 17707)]