20936894

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:173

約数の個数: 48

約数和(自身を含む): 37797840

約数和(自身を除く): 16860946

約数列:

[1, 2, 11, 17, 22, 34, 37, 74, 89, 178, 187, 289, 374, 407, 578, 629, 814, 979, 1258, 1513, 1958, 3026, 3179, 3293, 6358, 6586, 6919, 10693, 13838, 16643, 21386, 25721, 33286, 36223, 51442, 55981, 72446, 111962, 117623, 235246, 282931, 565862, 615791, 951677, 1231582, 1903354, 10468447, 20936894]

約数ペア:

[(1, 20936894), (2, 10468447), (11, 1903354), (17, 1231582), (22, 951677), (34, 615791), (37, 565862), (74, 282931), (89, 235246), (178, 117623), (187, 111962), (289, 72446), (374, 55981), (407, 51442), (578, 36223), (629, 33286), (814, 25721), (979, 21386), (1258, 16643), (1513, 13838), (1958, 10693), (3026, 6919), (3179, 6586), (3293, 6358)]