20816092

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{1637}}^1$

素因数の和:1686

約数の個数: 36

約数和(自身を含む): 42240744

約数和(自身を除く): 21424652

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 289, 374, 578, 748, 1156, 1637, 3179, 3274, 6358, 6548, 12716, 18007, 27829, 36014, 55658, 72028, 111316, 306119, 473093, 612238, 946186, 1224476, 1892372, 5204023, 10408046, 20816092]

約数ペア:

[(1, 20816092), (2, 10408046), (4, 5204023), (11, 1892372), (17, 1224476), (22, 946186), (34, 612238), (44, 473093), (68, 306119), (187, 111316), (289, 72028), (374, 55658), (578, 36014), (748, 27829), (1156, 18007), (1637, 12716), (3179, 6548), (3274, 6358)]