15420244

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{10391}}^1$

素因数の和:10455

約数の個数: 24

約数和(自身を含む): 31425408

約数和(自身を除く): 16005164

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 10391, 20782, 41564, 72737, 145474, 290948, 550723, 1101446, 2202892, 3855061, 7710122, 15420244]

約数ペア:

[(1, 15420244), (2, 7710122), (4, 3855061), (7, 2202892), (14, 1101446), (28, 550723), (53, 290948), (106, 145474), (212, 72737), (371, 41564), (742, 20782), (1484, 10391)]