20205955

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1693}}^1$

素因数の和:1747

約数の個数: 32

約数和(自身を含む): 31223808

約数和(自身を除く): 11017853

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 155, 217, 341, 385, 1085, 1693, 1705, 2387, 8465, 11851, 11935, 18623, 52483, 59255, 93115, 130361, 262415, 367381, 577313, 651805, 1836905, 2886565, 4041191, 20205955]

約数ペア:

[(1, 20205955), (5, 4041191), (7, 2886565), (11, 1836905), (31, 651805), (35, 577313), (55, 367381), (77, 262415), (155, 130361), (217, 93115), (341, 59255), (385, 52483), (1085, 18623), (1693, 11935), (1705, 11851), (2387, 8465)]