20931504

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1367}}^1$

素因数の和:1418

約数の個数: 80

約数和(自身を含む): 61067520

約数和(自身を除く): 40136016

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 29, 33, 44, 48, 58, 66, 87, 88, 116, 132, 174, 176, 232, 264, 319, 348, 464, 528, 638, 696, 957, 1276, 1367, 1392, 1914, 2552, 2734, 3828, 4101, 5104, 5468, 7656, 8202, 10936, 15037, 15312, 16404, 21872, 30074, 32808, 39643, 45111, 60148, 65616, 79286, 90222, 118929, 120296, 158572, 180444, 237858, 240592, 317144, 360888, 436073, 475716, 634288, 721776, 872146, 951432, 1308219, 1744292, 1902864, 2616438, 3488584, 5232876, 6977168, 10465752, 20931504]

約数ペア:

[(1, 20931504), (2, 10465752), (3, 6977168), (4, 5232876), (6, 3488584), (8, 2616438), (11, 1902864), (12, 1744292), (16, 1308219), (22, 951432), (24, 872146), (29, 721776), (33, 634288), (44, 475716), (48, 436073), (58, 360888), (66, 317144), (87, 240592), (88, 237858), (116, 180444), (132, 158572), (174, 120296), (176, 118929), (232, 90222), (264, 79286), (319, 65616), (348, 60148), (464, 45111), (528, 39643), (638, 32808), (696, 30074), (957, 21872), (1276, 16404), (1367, 15312), (1392, 15037), (1914, 10936), (2552, 8202), (2734, 7656), (3828, 5468), (4101, 5104)]