20495808

素因数分解:

$2^6\times 3^3\times {\mathrm{29}}^1\times {\mathrm{409}}^1$

素因数の和:459

約数の個数: 112

約数和(自身を含む): 62484000

約数和(自身を除く): 41988192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 29, 32, 36, 48, 54, 58, 64, 72, 87, 96, 108, 116, 144, 174, 192, 216, 232, 261, 288, 348, 409, 432, 464, 522, 576, 696, 783, 818, 864, 928, 1044, 1227, 1392, 1566, 1636, 1728, 1856, 2088, 2454, 2784, 3132, 3272, 3681, 4176, 4908, 5568, 6264, 6544, 7362, 8352, 9816, 11043, 11861, 12528, 13088, 14724, 16704, 19632, 22086, 23722, 25056, 26176, 29448, 35583, 39264, 44172, 47444, 50112, 58896, 71166, 78528, 88344, 94888, 106749, 117792, 142332, 176688, 189776, 213498, 235584, 284664, 320247, 353376, 379552, 426996, 569328, 640494, 706752, 759104, 853992, 1138656, 1280988, 1707984, 2277312, 2561976, 3415968, 5123952, 6831936, 10247904, 20495808]

約数ペア:

[(1, 20495808), (2, 10247904), (3, 6831936), (4, 5123952), (6, 3415968), (8, 2561976), (9, 2277312), (12, 1707984), (16, 1280988), (18, 1138656), (24, 853992), (27, 759104), (29, 706752), (32, 640494), (36, 569328), (48, 426996), (54, 379552), (58, 353376), (64, 320247), (72, 284664), (87, 235584), (96, 213498), (108, 189776), (116, 176688), (144, 142332), (174, 117792), (192, 106749), (216, 94888), (232, 88344), (261, 78528), (288, 71166), (348, 58896), (409, 50112), (432, 47444), (464, 44172), (522, 39264), (576, 35583), (696, 29448), (783, 26176), (818, 25056), (864, 23722), (928, 22086), (1044, 19632), (1227, 16704), (1392, 14724), (1566, 13088), (1636, 12528), (1728, 11861), (1856, 11043), (2088, 9816), (2454, 8352), (2784, 7362), (3132, 6544), (3272, 6264), (3681, 5568), (4176, 4908)]