20786736

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:286

約数の個数: 80

約数和(自身を含む): 56469600

約数和(自身を除く): 35682864

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 87, 109, 116, 137, 174, 218, 232, 274, 327, 348, 411, 436, 464, 548, 654, 696, 822, 872, 1096, 1308, 1392, 1644, 1744, 2192, 2616, 3161, 3288, 3973, 5232, 6322, 6576, 7946, 9483, 11919, 12644, 14933, 15892, 18966, 23838, 25288, 29866, 31784, 37932, 44799, 47676, 50576, 59732, 63568, 75864, 89598, 95352, 119464, 151728, 179196, 190704, 238928, 358392, 433057, 716784, 866114, 1299171, 1732228, 2598342, 3464456, 5196684, 6928912, 10393368, 20786736]

約数ペア:

[(1, 20786736), (2, 10393368), (3, 6928912), (4, 5196684), (6, 3464456), (8, 2598342), (12, 1732228), (16, 1299171), (24, 866114), (29, 716784), (48, 433057), (58, 358392), (87, 238928), (109, 190704), (116, 179196), (137, 151728), (174, 119464), (218, 95352), (232, 89598), (274, 75864), (327, 63568), (348, 59732), (411, 50576), (436, 47676), (464, 44799), (548, 37932), (654, 31784), (696, 29866), (822, 25288), (872, 23838), (1096, 18966), (1308, 15892), (1392, 14933), (1644, 12644), (1744, 11919), (2192, 9483), (2616, 7946), (3161, 6576), (3288, 6322), (3973, 5232)]