20357680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{36353}}^1$

素因数の和:36373

約数の個数: 40

約数和(自身を含む): 54094752

約数和(自身を除く): 33737072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 36353, 72706, 145412, 181765, 254471, 290824, 363530, 508942, 581648, 727060, 1017884, 1272355, 1454120, 2035768, 2544710, 2908240, 4071536, 5089420, 10178840, 20357680]

約数ペア:

[(1, 20357680), (2, 10178840), (4, 5089420), (5, 4071536), (7, 2908240), (8, 2544710), (10, 2035768), (14, 1454120), (16, 1272355), (20, 1017884), (28, 727060), (35, 581648), (40, 508942), (56, 363530), (70, 290824), (80, 254471), (112, 181765), (140, 145412), (280, 72706), (560, 36353)]