20712952

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{719}}^1$

素因数の和:1015

約数の個数: 32

約数和(自身を含む): 42033600

約数和(自身を除く): 21320648

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 277, 554, 719, 1108, 1438, 2216, 2876, 3601, 5752, 7202, 9347, 14404, 18694, 28808, 37388, 74776, 199163, 398326, 796652, 1593304, 2589119, 5178238, 10356476, 20712952]

約数ペア:

[(1, 20712952), (2, 10356476), (4, 5178238), (8, 2589119), (13, 1593304), (26, 796652), (52, 398326), (104, 199163), (277, 74776), (554, 37388), (719, 28808), (1108, 18694), (1438, 14404), (2216, 9347), (2876, 7202), (3601, 5752)]