20013168

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:219

約数の個数: 120

約数和(自身を含む): 61519872

約数和(自身を除く): 41506704

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 67, 84, 98, 112, 127, 134, 147, 168, 196, 201, 254, 268, 294, 336, 381, 392, 402, 469, 508, 536, 588, 762, 784, 804, 889, 938, 1016, 1072, 1176, 1407, 1524, 1608, 1778, 1876, 2032, 2352, 2667, 2814, 3048, 3216, 3283, 3556, 3752, 5334, 5628, 6096, 6223, 6566, 7112, 7504, 8509, 9849, 10668, 11256, 12446, 13132, 14224, 17018, 18669, 19698, 21336, 22512, 24892, 25527, 26264, 34036, 37338, 39396, 42672, 49784, 51054, 52528, 59563, 68072, 74676, 78792, 99568, 102108, 119126, 136144, 149352, 157584, 178689, 204216, 238252, 298704, 357378, 408432, 416941, 476504, 714756, 833882, 953008, 1250823, 1429512, 1667764, 2501646, 2859024, 3335528, 5003292, 6671056, 10006584, 20013168]

約数ペア:

[(1, 20013168), (2, 10006584), (3, 6671056), (4, 5003292), (6, 3335528), (7, 2859024), (8, 2501646), (12, 1667764), (14, 1429512), (16, 1250823), (21, 953008), (24, 833882), (28, 714756), (42, 476504), (48, 416941), (49, 408432), (56, 357378), (67, 298704), (84, 238252), (98, 204216), (112, 178689), (127, 157584), (134, 149352), (147, 136144), (168, 119126), (196, 102108), (201, 99568), (254, 78792), (268, 74676), (294, 68072), (336, 59563), (381, 52528), (392, 51054), (402, 49784), (469, 42672), (508, 39396), (536, 37338), (588, 34036), (762, 26264), (784, 25527), (804, 24892), (889, 22512), (938, 21336), (1016, 19698), (1072, 18669), (1176, 17018), (1407, 14224), (1524, 13132), (1608, 12446), (1778, 11256), (1876, 10668), (2032, 9849), (2352, 8509), (2667, 7504), (2814, 7112), (3048, 6566), (3216, 6223), (3283, 6096), (3556, 5628), (3752, 5334)]