20123782

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{733}}^1$

素因数の和:832

約数の個数: 32

約数和(自身を含む): 36148032

約数和(自身を除く): 16024250

約数列:

[1, 2, 7, 14, 37, 53, 74, 106, 259, 371, 518, 733, 742, 1466, 1961, 3922, 5131, 10262, 13727, 27121, 27454, 38849, 54242, 77698, 189847, 271943, 379694, 543886, 1437413, 2874826, 10061891, 20123782]

約数ペア:

[(1, 20123782), (2, 10061891), (7, 2874826), (14, 1437413), (37, 543886), (53, 379694), (74, 271943), (106, 189847), (259, 77698), (371, 54242), (518, 38849), (733, 27454), (742, 27121), (1466, 13727), (1961, 10262), (3922, 5131)]