20966976

素因数分解:

$2^6\times 3^2\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:516

約数の個数: 84

約数和(自身を含む): 60921900

約数和(自身を除く): 39954924

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 89, 96, 144, 178, 192, 267, 288, 356, 409, 534, 576, 712, 801, 818, 1068, 1227, 1424, 1602, 1636, 2136, 2454, 2848, 3204, 3272, 3681, 4272, 4908, 5696, 6408, 6544, 7362, 8544, 9816, 12816, 13088, 14724, 17088, 19632, 25632, 26176, 29448, 36401, 39264, 51264, 58896, 72802, 78528, 109203, 117792, 145604, 218406, 235584, 291208, 327609, 436812, 582416, 655218, 873624, 1164832, 1310436, 1747248, 2329664, 2620872, 3494496, 5241744, 6988992, 10483488, 20966976]

約数ペア:

[(1, 20966976), (2, 10483488), (3, 6988992), (4, 5241744), (6, 3494496), (8, 2620872), (9, 2329664), (12, 1747248), (16, 1310436), (18, 1164832), (24, 873624), (32, 655218), (36, 582416), (48, 436812), (64, 327609), (72, 291208), (89, 235584), (96, 218406), (144, 145604), (178, 117792), (192, 109203), (267, 78528), (288, 72802), (356, 58896), (409, 51264), (534, 39264), (576, 36401), (712, 29448), (801, 26176), (818, 25632), (1068, 19632), (1227, 17088), (1424, 14724), (1602, 13088), (1636, 12816), (2136, 9816), (2454, 8544), (2848, 7362), (3204, 6544), (3272, 6408), (3681, 5696), (4272, 4908)]