20869632

素因数分解:

$2^9\times 3^2\times 7^1\times {\mathrm{647}}^1$

素因数の和:678

約数の個数: 120

約数和(自身を含む): 68942016

約数和(自身を除く): 48072384

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 256, 288, 336, 384, 448, 504, 512, 576, 647, 672, 768, 896, 1008, 1152, 1294, 1344, 1536, 1792, 1941, 2016, 2304, 2588, 2688, 3584, 3882, 4032, 4529, 4608, 5176, 5376, 5823, 7764, 8064, 9058, 10352, 10752, 11646, 13587, 15528, 16128, 18116, 20704, 23292, 27174, 31056, 32256, 36232, 40761, 41408, 46584, 54348, 62112, 72464, 81522, 82816, 93168, 108696, 124224, 144928, 163044, 165632, 186336, 217392, 248448, 289856, 326088, 331264, 372672, 434784, 496896, 579712, 652176, 745344, 869568, 993792, 1159424, 1304352, 1490688, 1739136, 2318848, 2608704, 2981376, 3478272, 5217408, 6956544, 10434816, 20869632]

約数ペア:

[(1, 20869632), (2, 10434816), (3, 6956544), (4, 5217408), (6, 3478272), (7, 2981376), (8, 2608704), (9, 2318848), (12, 1739136), (14, 1490688), (16, 1304352), (18, 1159424), (21, 993792), (24, 869568), (28, 745344), (32, 652176), (36, 579712), (42, 496896), (48, 434784), (56, 372672), (63, 331264), (64, 326088), (72, 289856), (84, 248448), (96, 217392), (112, 186336), (126, 165632), (128, 163044), (144, 144928), (168, 124224), (192, 108696), (224, 93168), (252, 82816), (256, 81522), (288, 72464), (336, 62112), (384, 54348), (448, 46584), (504, 41408), (512, 40761), (576, 36232), (647, 32256), (672, 31056), (768, 27174), (896, 23292), (1008, 20704), (1152, 18116), (1294, 16128), (1344, 15528), (1536, 13587), (1792, 11646), (1941, 10752), (2016, 10352), (2304, 9058), (2588, 8064), (2688, 7764), (3584, 5823), (3882, 5376), (4032, 5176), (4529, 4608)]