20122748

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1777}}^1$

素因数の和:1949

約数の個数: 24

約数和(自身を含む): 37338000

約数和(自身を除く): 17215252

約数列:

[1, 2, 4, 19, 38, 76, 149, 298, 596, 1777, 2831, 3554, 5662, 7108, 11324, 33763, 67526, 135052, 264773, 529546, 1059092, 5030687, 10061374, 20122748]

約数ペア:

[(1, 20122748), (2, 10061374), (4, 5030687), (19, 1059092), (38, 529546), (76, 264773), (149, 135052), (298, 67526), (596, 33763), (1777, 11324), (2831, 7108), (3554, 5662)]