20177021948

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{725479}}^1$

素因数の和:725909

約数の個数: 24

約数和(自身を含む): 37478296800

約数和(自身を除く): 17301274852

約数列:

[1, 2, 4, 17, 34, 68, 409, 818, 1636, 6953, 13906, 27812, 725479, 1450958, 2901916, 12333143, 24666286, 49332572, 296720911, 593441822, 1186883644, 5044255487, 10088510974, 20177021948]

約数ペア:

[(1, 20177021948), (2, 10088510974), (4, 5044255487), (17, 1186883644), (34, 593441822), (68, 296720911), (409, 49332572), (818, 24666286), (1636, 12333143), (6953, 2901916), (13906, 1450958), (27812, 725479)]