20519632

素因数分解:

$2^4\times 7^3\times {\mathrm{3739}}^1$

素因数の和:3768

約数の個数: 40

約数和(自身を含む): 46376000

約数和(自身を除く): 25856368

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 343, 392, 686, 784, 1372, 2744, 3739, 5488, 7478, 14956, 26173, 29912, 52346, 59824, 104692, 183211, 209384, 366422, 418768, 732844, 1282477, 1465688, 2564954, 2931376, 5129908, 10259816, 20519632]

約数ペア:

[(1, 20519632), (2, 10259816), (4, 5129908), (7, 2931376), (8, 2564954), (14, 1465688), (16, 1282477), (28, 732844), (49, 418768), (56, 366422), (98, 209384), (112, 183211), (196, 104692), (343, 59824), (392, 52346), (686, 29912), (784, 26173), (1372, 14956), (2744, 7478), (3739, 5488)]