20971035

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5011}}^1$

素因数の和:5056

約数の個数: 32

約数和(自身を含む): 38492160

約数和(自身を除く): 17521125

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 5011, 15033, 25055, 45099, 75165, 135297, 155341, 225495, 466023, 676485, 776705, 1398069, 2330115, 4194207, 6990345, 20971035]

約数ペア:

[(1, 20971035), (3, 6990345), (5, 4194207), (9, 2330115), (15, 1398069), (27, 776705), (31, 676485), (45, 466023), (93, 225495), (135, 155341), (155, 135297), (279, 75165), (465, 45099), (837, 25055), (1395, 15033), (4185, 5011)]