20171360272

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1993}}^1\times {\mathrm{3929}}^1$

素因数の和:5960

約数の個数: 80

約数和(自身を含む): 46642371840

約数和(自身を除く): 26471011568

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 1993, 2576, 3929, 3986, 7858, 7972, 13951, 15716, 15944, 27503, 27902, 31432, 31888, 45839, 55006, 55804, 62864, 90367, 91678, 110012, 111608, 180734, 183356, 220024, 223216, 320873, 361468, 366712, 440048, 632569, 641746, 722936, 733424, 1265138, 1283492, 1445872, 2530276, 2566984, 5060552, 5133968, 7830497, 10121104, 15660994, 31321988, 54813479, 62643976, 109626958, 125287952, 180101431, 219253916, 360202862, 438507832, 720405724, 877015664, 1260710017, 1440811448, 2521420034, 2881622896, 5042840068, 10085680136, 20171360272]

約数ペア:

[(1, 20171360272), (2, 10085680136), (4, 5042840068), (7, 2881622896), (8, 2521420034), (14, 1440811448), (16, 1260710017), (23, 877015664), (28, 720405724), (46, 438507832), (56, 360202862), (92, 219253916), (112, 180101431), (161, 125287952), (184, 109626958), (322, 62643976), (368, 54813479), (644, 31321988), (1288, 15660994), (1993, 10121104), (2576, 7830497), (3929, 5133968), (3986, 5060552), (7858, 2566984), (7972, 2530276), (13951, 1445872), (15716, 1283492), (15944, 1265138), (27503, 733424), (27902, 722936), (31432, 641746), (31888, 632569), (45839, 440048), (55006, 366712), (55804, 361468), (62864, 320873), (90367, 223216), (91678, 220024), (110012, 183356), (111608, 180734)]