20984256

素因数分解:

$2^6\times 3^2\times {\mathrm{17}}^1\times {\mathrm{2143}}^1$

素因数の和:2178

約数の個数: 84

約数和(自身を含む): 63715392

約数和(自身を除く): 42731136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 64, 68, 72, 96, 102, 136, 144, 153, 192, 204, 272, 288, 306, 408, 544, 576, 612, 816, 1088, 1224, 1632, 2143, 2448, 3264, 4286, 4896, 6429, 8572, 9792, 12858, 17144, 19287, 25716, 34288, 36431, 38574, 51432, 68576, 72862, 77148, 102864, 109293, 137152, 145724, 154296, 205728, 218586, 291448, 308592, 327879, 411456, 437172, 582896, 617184, 655758, 874344, 1165792, 1234368, 1311516, 1748688, 2331584, 2623032, 3497376, 5246064, 6994752, 10492128, 20984256]

約数ペア:

[(1, 20984256), (2, 10492128), (3, 6994752), (4, 5246064), (6, 3497376), (8, 2623032), (9, 2331584), (12, 1748688), (16, 1311516), (17, 1234368), (18, 1165792), (24, 874344), (32, 655758), (34, 617184), (36, 582896), (48, 437172), (51, 411456), (64, 327879), (68, 308592), (72, 291448), (96, 218586), (102, 205728), (136, 154296), (144, 145724), (153, 137152), (192, 109293), (204, 102864), (272, 77148), (288, 72862), (306, 68576), (408, 51432), (544, 38574), (576, 36431), (612, 34288), (816, 25716), (1088, 19287), (1224, 17144), (1632, 12858), (2143, 9792), (2448, 8572), (3264, 6429), (4286, 4896)]