20327552

素因数分解:

$2^7\times 7^3\times {\mathrm{463}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 47328000

約数和(自身を除く): 27000448

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 343, 392, 448, 463, 686, 784, 896, 926, 1372, 1568, 1852, 2744, 3136, 3241, 3704, 5488, 6272, 6482, 7408, 10976, 12964, 14816, 21952, 22687, 25928, 29632, 43904, 45374, 51856, 59264, 90748, 103712, 158809, 181496, 207424, 317618, 362992, 414848, 635236, 725984, 1270472, 1451968, 2540944, 2903936, 5081888, 10163776, 20327552]

約数ペア:

[(1, 20327552), (2, 10163776), (4, 5081888), (7, 2903936), (8, 2540944), (14, 1451968), (16, 1270472), (28, 725984), (32, 635236), (49, 414848), (56, 362992), (64, 317618), (98, 207424), (112, 181496), (128, 158809), (196, 103712), (224, 90748), (343, 59264), (392, 51856), (448, 45374), (463, 43904), (686, 29632), (784, 25928), (896, 22687), (926, 21952), (1372, 14816), (1568, 12964), (1852, 10976), (2744, 7408), (3136, 6482), (3241, 6272), (3704, 5488)]