20999162496

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{25189}}^1$

素因数の和:25386

約数の個数: 128

約数和(自身を含む): 60431817600

約数和(自身を除く): 39432655104

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 167, 192, 208, 312, 334, 384, 416, 501, 624, 668, 832, 1002, 1248, 1336, 1664, 2004, 2171, 2496, 2672, 4008, 4342, 4992, 5344, 6513, 8016, 8684, 10688, 13026, 16032, 17368, 21376, 25189, 26052, 32064, 34736, 50378, 52104, 64128, 69472, 75567, 100756, 104208, 138944, 151134, 201512, 208416, 277888, 302268, 327457, 403024, 416832, 604536, 654914, 806048, 833664, 982371, 1209072, 1309828, 1612096, 1964742, 2418144, 2619656, 3224192, 3929484, 4206563, 4836288, 5239312, 7858968, 8413126, 9672576, 10478624, 12619689, 15717936, 16826252, 20957248, 25239378, 31435872, 33652504, 41914496, 50478756, 54685319, 62871744, 67305008, 100957512, 109370638, 125743488, 134610016, 164055957, 201915024, 218741276, 269220032, 328111914, 403830048, 437482552, 538440064, 656223828, 807660096, 874965104, 1312447656, 1615320192, 1749930208, 2624895312, 3499860416, 5249790624, 6999720832, 10499581248, 20999162496]

約数ペア:

[(1, 20999162496), (2, 10499581248), (3, 6999720832), (4, 5249790624), (6, 3499860416), (8, 2624895312), (12, 1749930208), (13, 1615320192), (16, 1312447656), (24, 874965104), (26, 807660096), (32, 656223828), (39, 538440064), (48, 437482552), (52, 403830048), (64, 328111914), (78, 269220032), (96, 218741276), (104, 201915024), (128, 164055957), (156, 134610016), (167, 125743488), (192, 109370638), (208, 100957512), (312, 67305008), (334, 62871744), (384, 54685319), (416, 50478756), (501, 41914496), (624, 33652504), (668, 31435872), (832, 25239378), (1002, 20957248), (1248, 16826252), (1336, 15717936), (1664, 12619689), (2004, 10478624), (2171, 9672576), (2496, 8413126), (2672, 7858968), (4008, 5239312), (4342, 4836288), (4992, 4206563), (5344, 3929484), (6513, 3224192), (8016, 2619656), (8684, 2418144), (10688, 1964742), (13026, 1612096), (16032, 1309828), (17368, 1209072), (21376, 982371), (25189, 833664), (26052, 806048), (32064, 654914), (34736, 604536), (50378, 416832), (52104, 403024), (64128, 327457), (69472, 302268), (75567, 277888), (100756, 208416), (104208, 201512), (138944, 151134)]