20807808

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{7741}}^1$

素因数の和:7765

約数の個数: 64

約数和(自身を含む): 63174720

約数和(自身を除く): 42366912

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 896, 1344, 2688, 7741, 15482, 23223, 30964, 46446, 54187, 61928, 92892, 108374, 123856, 162561, 185784, 216748, 247712, 325122, 371568, 433496, 495424, 650244, 743136, 866992, 990848, 1300488, 1486272, 1733984, 2600976, 2972544, 3467968, 5201952, 6935936, 10403904, 20807808]

約数ペア:

[(1, 20807808), (2, 10403904), (3, 6935936), (4, 5201952), (6, 3467968), (7, 2972544), (8, 2600976), (12, 1733984), (14, 1486272), (16, 1300488), (21, 990848), (24, 866992), (28, 743136), (32, 650244), (42, 495424), (48, 433496), (56, 371568), (64, 325122), (84, 247712), (96, 216748), (112, 185784), (128, 162561), (168, 123856), (192, 108374), (224, 92892), (336, 61928), (384, 54187), (448, 46446), (672, 30964), (896, 23223), (1344, 15482), (2688, 7741)]