20777568

素因数分解:

$2^5\times 3^1\times 7^3\times {\mathrm{631}}^1$

素因数の和:665

約数の個数: 96

約数和(自身を含む): 63705600

約数和(自身を除く): 42928032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 343, 392, 588, 631, 672, 686, 784, 1029, 1176, 1262, 1372, 1568, 1893, 2058, 2352, 2524, 2744, 3786, 4116, 4417, 4704, 5048, 5488, 7572, 8232, 8834, 10096, 10976, 13251, 15144, 16464, 17668, 20192, 26502, 30288, 30919, 32928, 35336, 53004, 60576, 61838, 70672, 92757, 106008, 123676, 141344, 185514, 212016, 216433, 247352, 371028, 424032, 432866, 494704, 649299, 742056, 865732, 989408, 1298598, 1484112, 1731464, 2597196, 2968224, 3462928, 5194392, 6925856, 10388784, 20777568]

約数ペア:

[(1, 20777568), (2, 10388784), (3, 6925856), (4, 5194392), (6, 3462928), (7, 2968224), (8, 2597196), (12, 1731464), (14, 1484112), (16, 1298598), (21, 989408), (24, 865732), (28, 742056), (32, 649299), (42, 494704), (48, 432866), (49, 424032), (56, 371028), (84, 247352), (96, 216433), (98, 212016), (112, 185514), (147, 141344), (168, 123676), (196, 106008), (224, 92757), (294, 70672), (336, 61838), (343, 60576), (392, 53004), (588, 35336), (631, 32928), (672, 30919), (686, 30288), (784, 26502), (1029, 20192), (1176, 17668), (1262, 16464), (1372, 15144), (1568, 13251), (1893, 10976), (2058, 10096), (2352, 8834), (2524, 8232), (2744, 7572), (3786, 5488), (4116, 5048), (4417, 4704)]