20199644409

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{8083091}}^1$

素因数の和:8083125

約数の個数: 24

約数和(自身を含む): 33173009568

約数和(自身を除く): 12973365159

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 8083091, 24249273, 56581637, 137412547, 169744911, 396071459, 412237641, 961887829, 1188214377, 2885663487, 6733214803, 20199644409]

約数ペア:

[(1, 20199644409), (3, 6733214803), (7, 2885663487), (17, 1188214377), (21, 961887829), (49, 412237641), (51, 396071459), (119, 169744911), (147, 137412547), (357, 56581637), (833, 24249273), (2499, 8083091)]