20999352

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4679}}^1$

素因数の和:4716

約数の個数: 64

約数和(自身を含む): 60652800

約数和(自身を除く): 39653448

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 44, 51, 66, 68, 88, 102, 132, 136, 187, 204, 264, 374, 408, 561, 748, 1122, 1496, 2244, 4488, 4679, 9358, 14037, 18716, 28074, 37432, 51469, 56148, 79543, 102938, 112296, 154407, 159086, 205876, 238629, 308814, 318172, 411752, 477258, 617628, 636344, 874973, 954516, 1235256, 1749946, 1909032, 2624919, 3499892, 5249838, 6999784, 10499676, 20999352]

約数ペア:

[(1, 20999352), (2, 10499676), (3, 6999784), (4, 5249838), (6, 3499892), (8, 2624919), (11, 1909032), (12, 1749946), (17, 1235256), (22, 954516), (24, 874973), (33, 636344), (34, 617628), (44, 477258), (51, 411752), (66, 318172), (68, 308814), (88, 238629), (102, 205876), (132, 159086), (136, 154407), (187, 112296), (204, 102938), (264, 79543), (374, 56148), (408, 51469), (561, 37432), (748, 28074), (1122, 18716), (1496, 14037), (2244, 9358), (4488, 4679)]