20708366

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{613}}^1$

素因数の和:768

約数の個数: 32

約数和(自身を含む): 37724160

約数和(自身を除く): 17015794

約数列:

[1, 2, 7, 14, 19, 38, 127, 133, 254, 266, 613, 889, 1226, 1778, 2413, 4291, 4826, 8582, 11647, 16891, 23294, 33782, 77851, 81529, 155702, 163058, 544957, 1089914, 1479169, 2958338, 10354183, 20708366]

約数ペア:

[(1, 20708366), (2, 10354183), (7, 2958338), (14, 1479169), (19, 1089914), (38, 544957), (127, 163058), (133, 155702), (254, 81529), (266, 77851), (613, 33782), (889, 23294), (1226, 16891), (1778, 11647), (2413, 8582), (4291, 4826)]