20506592

素因数分解:

$2^5\times {\mathrm{509}}^1\times {\mathrm{1259}}^1$

素因数の和:1778

約数の個数: 24

約数和(自身を含む): 40483800

約数和(自身を除く): 19977208

約数列:

[1, 2, 4, 8, 16, 32, 509, 1018, 1259, 2036, 2518, 4072, 5036, 8144, 10072, 16288, 20144, 40288, 640831, 1281662, 2563324, 5126648, 10253296, 20506592]

約数ペア:

[(1, 20506592), (2, 10253296), (4, 5126648), (8, 2563324), (16, 1281662), (32, 640831), (509, 40288), (1018, 20144), (1259, 16288), (2036, 10072), (2518, 8144), (4072, 5036)]