20047060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{311}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 46230912

約数和(自身を除く): 26183852

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 293, 311, 586, 622, 1172, 1244, 1465, 1555, 2930, 3110, 3223, 3421, 5860, 6220, 6446, 6842, 12892, 13684, 16115, 17105, 32230, 34210, 64460, 68420, 91123, 182246, 364492, 455615, 911230, 1002353, 1822460, 2004706, 4009412, 5011765, 10023530, 20047060]

約数ペア:

[(1, 20047060), (2, 10023530), (4, 5011765), (5, 4009412), (10, 2004706), (11, 1822460), (20, 1002353), (22, 911230), (44, 455615), (55, 364492), (110, 182246), (220, 91123), (293, 68420), (311, 64460), (586, 34210), (622, 32230), (1172, 17105), (1244, 16115), (1465, 13684), (1555, 12892), (2930, 6842), (3110, 6446), (3223, 6220), (3421, 5860)]