20646875312

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{35027}}^1$

素因数の和:35338

約数の個数: 80

約数和(自身を含む): 48299408640

約数和(自身を除く): 27652533328

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 277, 304, 532, 554, 1064, 1108, 1939, 2128, 2216, 3878, 4432, 5263, 7756, 10526, 15512, 21052, 31024, 35027, 36841, 42104, 70054, 73682, 84208, 140108, 147364, 245189, 280216, 294728, 490378, 560432, 589456, 665513, 980756, 1331026, 1961512, 2662052, 3923024, 4658591, 5324104, 9317182, 9702479, 10648208, 18634364, 19404958, 37268728, 38809916, 67917353, 74537456, 77619832, 135834706, 155239664, 184347101, 271669412, 368694202, 543338824, 737388404, 1086677648, 1290429707, 1474776808, 2580859414, 2949553616, 5161718828, 10323437656, 20646875312]

約数ペア:

[(1, 20646875312), (2, 10323437656), (4, 5161718828), (7, 2949553616), (8, 2580859414), (14, 1474776808), (16, 1290429707), (19, 1086677648), (28, 737388404), (38, 543338824), (56, 368694202), (76, 271669412), (112, 184347101), (133, 155239664), (152, 135834706), (266, 77619832), (277, 74537456), (304, 67917353), (532, 38809916), (554, 37268728), (1064, 19404958), (1108, 18634364), (1939, 10648208), (2128, 9702479), (2216, 9317182), (3878, 5324104), (4432, 4658591), (5263, 3923024), (7756, 2662052), (10526, 1961512), (15512, 1331026), (21052, 980756), (31024, 665513), (35027, 589456), (36841, 560432), (42104, 490378), (70054, 294728), (73682, 280216), (84208, 245189), (140108, 147364)]