20438432

素因数分解:

$2^5\times 7^1\times {\mathrm{91243}}^1$

素因数の和:91260

約数の個数: 24

約数和(自身を含む): 45986976

約数和(自身を除く): 25548544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 91243, 182486, 364972, 638701, 729944, 1277402, 1459888, 2554804, 2919776, 5109608, 10219216, 20438432]

約数ペア:

[(1, 20438432), (2, 10219216), (4, 5109608), (7, 2919776), (8, 2554804), (14, 1459888), (16, 1277402), (28, 729944), (32, 638701), (56, 364972), (112, 182486), (224, 91243)]