20666464

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:228

約数の個数: 96

約数和(自身を含む): 51480576

約数和(自身を除く): 30814112

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 47, 52, 56, 91, 94, 104, 112, 151, 182, 188, 208, 224, 302, 329, 364, 376, 416, 604, 611, 658, 728, 752, 1057, 1208, 1222, 1316, 1456, 1504, 1963, 2114, 2416, 2444, 2632, 2912, 3926, 4228, 4277, 4832, 4888, 5264, 7097, 7852, 8456, 8554, 9776, 10528, 13741, 14194, 15704, 16912, 17108, 19552, 27482, 28388, 31408, 33824, 34216, 49679, 54964, 56776, 62816, 68432, 92261, 99358, 109928, 113552, 136864, 184522, 198716, 219856, 227104, 369044, 397432, 439712, 645827, 738088, 794864, 1291654, 1476176, 1589728, 2583308, 2952352, 5166616, 10333232, 20666464]

約数ペア:

[(1, 20666464), (2, 10333232), (4, 5166616), (7, 2952352), (8, 2583308), (13, 1589728), (14, 1476176), (16, 1291654), (26, 794864), (28, 738088), (32, 645827), (47, 439712), (52, 397432), (56, 369044), (91, 227104), (94, 219856), (104, 198716), (112, 184522), (151, 136864), (182, 113552), (188, 109928), (208, 99358), (224, 92261), (302, 68432), (329, 62816), (364, 56776), (376, 54964), (416, 49679), (604, 34216), (611, 33824), (658, 31408), (728, 28388), (752, 27482), (1057, 19552), (1208, 17108), (1222, 16912), (1316, 15704), (1456, 14194), (1504, 13741), (1963, 10528), (2114, 9776), (2416, 8554), (2444, 8456), (2632, 7852), (2912, 7097), (3926, 5264), (4228, 4888), (4277, 4832)]