20671035

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1627}}^1$

素因数の和:1664

約数の個数: 48

約数和(自身を含む): 41572608

約数和(自身を除く): 20901573

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 121, 165, 231, 363, 385, 605, 847, 1155, 1627, 1815, 2541, 4235, 4881, 8135, 11389, 12705, 17897, 24405, 34167, 53691, 56945, 89485, 125279, 170835, 196867, 268455, 375837, 590601, 626395, 984335, 1378069, 1879185, 2953005, 4134207, 6890345, 20671035]

約数ペア:

[(1, 20671035), (3, 6890345), (5, 4134207), (7, 2953005), (11, 1879185), (15, 1378069), (21, 984335), (33, 626395), (35, 590601), (55, 375837), (77, 268455), (105, 196867), (121, 170835), (165, 125279), (231, 89485), (363, 56945), (385, 53691), (605, 34167), (847, 24405), (1155, 17897), (1627, 12705), (1815, 11389), (2541, 8135), (4235, 4881)]