20777944

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:113

約数の個数: 96

約数和(自身を含む): 48628800

約数和(自身を除く): 27850856

約数列:

[1, 2, 4, 8, 11, 17, 19, 22, 34, 38, 43, 44, 68, 76, 86, 88, 136, 152, 172, 187, 209, 289, 323, 344, 374, 418, 473, 578, 646, 731, 748, 817, 836, 946, 1156, 1292, 1462, 1496, 1634, 1672, 1892, 2312, 2584, 2924, 3179, 3268, 3553, 3784, 5491, 5848, 6358, 6536, 7106, 8041, 8987, 10982, 12427, 12716, 13889, 14212, 16082, 17974, 21964, 24854, 25432, 27778, 28424, 32164, 35948, 43928, 49708, 55556, 60401, 64328, 71896, 99416, 111112, 120802, 136697, 152779, 236113, 241604, 273394, 305558, 472226, 483208, 546788, 611116, 944452, 1093576, 1222232, 1888904, 2597243, 5194486, 10388972, 20777944]

約数ペア:

[(1, 20777944), (2, 10388972), (4, 5194486), (8, 2597243), (11, 1888904), (17, 1222232), (19, 1093576), (22, 944452), (34, 611116), (38, 546788), (43, 483208), (44, 472226), (68, 305558), (76, 273394), (86, 241604), (88, 236113), (136, 152779), (152, 136697), (172, 120802), (187, 111112), (209, 99416), (289, 71896), (323, 64328), (344, 60401), (374, 55556), (418, 49708), (473, 43928), (578, 35948), (646, 32164), (731, 28424), (748, 27778), (817, 25432), (836, 24854), (946, 21964), (1156, 17974), (1292, 16082), (1462, 14212), (1496, 13889), (1634, 12716), (1672, 12427), (1892, 10982), (2312, 8987), (2584, 8041), (2924, 7106), (3179, 6536), (3268, 6358), (3553, 5848), (3784, 5491)]