20101582

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1$

素因数の和:133

約数の個数: 48

約数和(自身を含む): 35745840

約数和(自身を除く): 15644258

約数列:

[1, 2, 17, 19, 29, 34, 37, 38, 58, 74, 323, 493, 551, 629, 646, 703, 841, 986, 1073, 1102, 1258, 1406, 1682, 2146, 9367, 11951, 14297, 15979, 18241, 18734, 20387, 23902, 28594, 31117, 31958, 36482, 40774, 62234, 271643, 346579, 528989, 543286, 591223, 693158, 1057978, 1182446, 10050791, 20101582]

約数ペア:

[(1, 20101582), (2, 10050791), (17, 1182446), (19, 1057978), (29, 693158), (34, 591223), (37, 543286), (38, 528989), (58, 346579), (74, 271643), (323, 62234), (493, 40774), (551, 36482), (629, 31958), (646, 31117), (703, 28594), (841, 23902), (986, 20387), (1073, 18734), (1102, 18241), (1258, 15979), (1406, 14297), (1682, 11951), (2146, 9367)]