20442796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{433}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 41559840

約数和(自身を除く): 21117044

約数列:

[1, 2, 4, 11, 22, 29, 37, 44, 58, 74, 116, 148, 319, 407, 433, 638, 814, 866, 1073, 1276, 1628, 1732, 2146, 4292, 4763, 9526, 11803, 12557, 16021, 19052, 23606, 25114, 32042, 47212, 50228, 64084, 138127, 176231, 276254, 352462, 464609, 552508, 704924, 929218, 1858436, 5110699, 10221398, 20442796]

約数ペア:

[(1, 20442796), (2, 10221398), (4, 5110699), (11, 1858436), (22, 929218), (29, 704924), (37, 552508), (44, 464609), (58, 352462), (74, 276254), (116, 176231), (148, 138127), (319, 64084), (407, 50228), (433, 47212), (638, 32042), (814, 25114), (866, 23606), (1073, 19052), (1276, 16021), (1628, 12557), (1732, 11803), (2146, 9526), (4292, 4763)]