20447748

素因数分解:

$2^2\times 3^3\times {\mathrm{59}}^1\times {\mathrm{3209}}^1$

素因数の和:3281

約数の個数: 48

約数和(自身を含む): 53928000

約数和(自身を除く): 33480252

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 59, 108, 118, 177, 236, 354, 531, 708, 1062, 1593, 2124, 3186, 3209, 6372, 6418, 9627, 12836, 19254, 28881, 38508, 57762, 86643, 115524, 173286, 189331, 346572, 378662, 567993, 757324, 1135986, 1703979, 2271972, 3407958, 5111937, 6815916, 10223874, 20447748]

約数ペア:

[(1, 20447748), (2, 10223874), (3, 6815916), (4, 5111937), (6, 3407958), (9, 2271972), (12, 1703979), (18, 1135986), (27, 757324), (36, 567993), (54, 378662), (59, 346572), (108, 189331), (118, 173286), (177, 115524), (236, 86643), (354, 57762), (531, 38508), (708, 28881), (1062, 19254), (1593, 12836), (2124, 9627), (3186, 6418), (3209, 6372)]