20942444

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1993}}^1$

素因数の和:2105

約数の個数: 24

約数和(自身を含む): 38189088

約数和(自身を除く): 17246644

約数列:

[1, 2, 4, 37, 71, 74, 142, 148, 284, 1993, 2627, 3986, 5254, 7972, 10508, 73741, 141503, 147482, 283006, 294964, 566012, 5235611, 10471222, 20942444]

約数ペア:

[(1, 20942444), (2, 10471222), (4, 5235611), (37, 566012), (71, 294964), (74, 283006), (142, 147482), (148, 141503), (284, 73741), (1993, 10508), (2627, 7972), (3986, 5254)]