20654872

素因数分解:

$2^3\times 7^2\times {\mathrm{52691}}^1$

素因数の和:52711

約数の個数: 24

約数和(自身を含む): 45051660

約数和(自身を除く): 24396788

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 52691, 105382, 210764, 368837, 421528, 737674, 1475348, 2581859, 2950696, 5163718, 10327436, 20654872]

約数ペア:

[(1, 20654872), (2, 10327436), (4, 5163718), (7, 2950696), (8, 2581859), (14, 1475348), (28, 737674), (49, 421528), (56, 368837), (98, 210764), (196, 105382), (392, 52691)]