20307716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{2731}}^1$

素因数の和:2772

約数の個数: 36

約数和(自身を含む): 41996304

約数和(自身を除く): 21688588

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 169, 286, 338, 572, 676, 1859, 2731, 3718, 5462, 7436, 10924, 30041, 35503, 60082, 71006, 120164, 142012, 390533, 461539, 781066, 923078, 1562132, 1846156, 5076929, 10153858, 20307716]

約数ペア:

[(1, 20307716), (2, 10153858), (4, 5076929), (11, 1846156), (13, 1562132), (22, 923078), (26, 781066), (44, 461539), (52, 390533), (143, 142012), (169, 120164), (286, 71006), (338, 60082), (572, 35503), (676, 30041), (1859, 10924), (2731, 7436), (3718, 5462)]