20911058

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{619}}^1$

素因数の和:774

約数の個数: 32

約数和(自身を含む): 38092800

約数和(自身を除く): 17181742

約数列:

[1, 2, 7, 14, 19, 38, 127, 133, 254, 266, 619, 889, 1238, 1778, 2413, 4333, 4826, 8666, 11761, 16891, 23522, 33782, 78613, 82327, 157226, 164654, 550291, 1100582, 1493647, 2987294, 10455529, 20911058]

約数ペア:

[(1, 20911058), (2, 10455529), (7, 2987294), (14, 1493647), (19, 1100582), (38, 550291), (127, 164654), (133, 157226), (254, 82327), (266, 78613), (619, 33782), (889, 23522), (1238, 16891), (1778, 11761), (2413, 8666), (4333, 4826)]