20774824

素因数分解:

$2^3\times 7^3\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 46512000

約数和(自身を除く): 25737176

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 67, 98, 113, 134, 196, 226, 268, 343, 392, 452, 469, 536, 686, 791, 904, 938, 1372, 1582, 1876, 2744, 3164, 3283, 3752, 5537, 6328, 6566, 7571, 11074, 13132, 15142, 22148, 22981, 26264, 30284, 38759, 44296, 45962, 52997, 60568, 77518, 91924, 105994, 155036, 183848, 211988, 310072, 370979, 423976, 741958, 1483916, 2596853, 2967832, 5193706, 10387412, 20774824]

約数ペア:

[(1, 20774824), (2, 10387412), (4, 5193706), (7, 2967832), (8, 2596853), (14, 1483916), (28, 741958), (49, 423976), (56, 370979), (67, 310072), (98, 211988), (113, 183848), (134, 155036), (196, 105994), (226, 91924), (268, 77518), (343, 60568), (392, 52997), (452, 45962), (469, 44296), (536, 38759), (686, 30284), (791, 26264), (904, 22981), (938, 22148), (1372, 15142), (1582, 13132), (1876, 11074), (2744, 7571), (3164, 6566), (3283, 6328), (3752, 5537)]