20874882

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:176

約数の個数: 96

約数和(自身を含む): 53023680

約数和(自身を除く): 32148798

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 37, 38, 42, 49, 57, 74, 98, 101, 111, 114, 133, 147, 202, 222, 259, 266, 294, 303, 399, 518, 606, 703, 707, 777, 798, 931, 1406, 1414, 1554, 1813, 1862, 1919, 2109, 2121, 2793, 3626, 3737, 3838, 4218, 4242, 4921, 4949, 5439, 5586, 5757, 7474, 9842, 9898, 10878, 11211, 11514, 13433, 14763, 14847, 22422, 26159, 26866, 29526, 29694, 34447, 40299, 52318, 68894, 71003, 78477, 80598, 94031, 103341, 142006, 156954, 183113, 188062, 206682, 213009, 282093, 366226, 426018, 497021, 549339, 564186, 994042, 1098678, 1491063, 2982126, 3479147, 6958294, 10437441, 20874882]

約数ペア:

[(1, 20874882), (2, 10437441), (3, 6958294), (6, 3479147), (7, 2982126), (14, 1491063), (19, 1098678), (21, 994042), (37, 564186), (38, 549339), (42, 497021), (49, 426018), (57, 366226), (74, 282093), (98, 213009), (101, 206682), (111, 188062), (114, 183113), (133, 156954), (147, 142006), (202, 103341), (222, 94031), (259, 80598), (266, 78477), (294, 71003), (303, 68894), (399, 52318), (518, 40299), (606, 34447), (703, 29694), (707, 29526), (777, 26866), (798, 26159), (931, 22422), (1406, 14847), (1414, 14763), (1554, 13433), (1813, 11514), (1862, 11211), (1919, 10878), (2109, 9898), (2121, 9842), (2793, 7474), (3626, 5757), (3737, 5586), (3838, 5439), (4218, 4949), (4242, 4921)]