20201863913

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{293}}^1\times {\mathrm{401}}^1$

素因数の和:759

約数の個数: 72

約数和(自身を含む): 26879496840

約数和(自身を除く): 6677632927

約数列:

[1, 7, 11, 29, 49, 77, 121, 203, 293, 319, 401, 539, 847, 1421, 2051, 2233, 2807, 3223, 3509, 4411, 5929, 8497, 11629, 14357, 15631, 19649, 22561, 24563, 30877, 35453, 48521, 59479, 81403, 93467, 117493, 127919, 157927, 171941, 216139, 248171, 339647, 416353, 569821, 654269, 822451, 895433, 1028137, 1292423, 1407109, 1737197, 2377529, 3407297, 4579883, 5757157, 6268031, 7196959, 9046961, 9849763, 14216653, 23851079, 37480267, 50378713, 63328727, 68948341, 99516571, 166957553, 262361869, 412282937, 696615997, 1836533083, 2885980559, 20201863913]

約数ペア:

[(1, 20201863913), (7, 2885980559), (11, 1836533083), (29, 696615997), (49, 412282937), (77, 262361869), (121, 166957553), (203, 99516571), (293, 68948341), (319, 63328727), (401, 50378713), (539, 37480267), (847, 23851079), (1421, 14216653), (2051, 9849763), (2233, 9046961), (2807, 7196959), (3223, 6268031), (3509, 5757157), (4411, 4579883), (5929, 3407297), (8497, 2377529), (11629, 1737197), (14357, 1407109), (15631, 1292423), (19649, 1028137), (22561, 895433), (24563, 822451), (30877, 654269), (35453, 569821), (48521, 416353), (59479, 339647), (81403, 248171), (93467, 216139), (117493, 171941), (127919, 157927)]