20451872

素因数分解:

$2^5\times 7^1\times {\mathrm{91303}}^1$

素因数の和:91320

約数の個数: 24

約数和(自身を含む): 46017216

約数和(自身を除く): 25565344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 91303, 182606, 365212, 639121, 730424, 1278242, 1460848, 2556484, 2921696, 5112968, 10225936, 20451872]

約数ペア:

[(1, 20451872), (2, 10225936), (4, 5112968), (7, 2921696), (8, 2556484), (14, 1460848), (16, 1278242), (28, 730424), (32, 639121), (56, 365212), (112, 182606), (224, 91303)]