20816602

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 34428240

約数和(自身を除く): 13611638

約数列:

[1, 2, 17, 34, 41, 82, 109, 137, 218, 274, 697, 1394, 1853, 2329, 3706, 4469, 4658, 5617, 8938, 11234, 14933, 29866, 75973, 95489, 151946, 190978, 253861, 507722, 612253, 1224506, 10408301, 20816602]

約数ペア:

[(1, 20816602), (2, 10408301), (17, 1224506), (34, 612253), (41, 507722), (82, 253861), (109, 190978), (137, 151946), (218, 95489), (274, 75973), (697, 29866), (1394, 14933), (1853, 11234), (2329, 8938), (3706, 5617), (4469, 4658)]