20111952

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{503}}^1$

素因数の和:545

約数の個数: 120

約数和(自身を含む): 64120896

約数和(自身を除く): 44008944

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 34, 42, 48, 49, 51, 56, 68, 84, 98, 102, 112, 119, 136, 147, 168, 196, 204, 238, 272, 294, 336, 357, 392, 408, 476, 503, 588, 714, 784, 816, 833, 952, 1006, 1176, 1428, 1509, 1666, 1904, 2012, 2352, 2499, 2856, 3018, 3332, 3521, 4024, 4998, 5712, 6036, 6664, 7042, 8048, 8551, 9996, 10563, 12072, 13328, 14084, 17102, 19992, 21126, 24144, 24647, 25653, 28168, 34204, 39984, 42252, 49294, 51306, 56336, 59857, 68408, 73941, 84504, 98588, 102612, 119714, 136816, 147882, 169008, 179571, 197176, 205224, 239428, 295764, 359142, 394352, 410448, 418999, 478856, 591528, 718284, 837998, 957712, 1183056, 1256997, 1436568, 1675996, 2513994, 2873136, 3351992, 5027988, 6703984, 10055976, 20111952]

約数ペア:

[(1, 20111952), (2, 10055976), (3, 6703984), (4, 5027988), (6, 3351992), (7, 2873136), (8, 2513994), (12, 1675996), (14, 1436568), (16, 1256997), (17, 1183056), (21, 957712), (24, 837998), (28, 718284), (34, 591528), (42, 478856), (48, 418999), (49, 410448), (51, 394352), (56, 359142), (68, 295764), (84, 239428), (98, 205224), (102, 197176), (112, 179571), (119, 169008), (136, 147882), (147, 136816), (168, 119714), (196, 102612), (204, 98588), (238, 84504), (272, 73941), (294, 68408), (336, 59857), (357, 56336), (392, 51306), (408, 49294), (476, 42252), (503, 39984), (588, 34204), (714, 28168), (784, 25653), (816, 24647), (833, 24144), (952, 21126), (1006, 19992), (1176, 17102), (1428, 14084), (1509, 13328), (1666, 12072), (1904, 10563), (2012, 9996), (2352, 8551), (2499, 8048), (2856, 7042), (3018, 6664), (3332, 6036), (3521, 5712), (4024, 4998)]