20467876

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{3253}}^1$

素因数の和:3292

約数の個数: 36

約数和(自身を含む): 42412636

約数和(自身を除く): 21944760

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 143, 242, 286, 484, 572, 1573, 3146, 3253, 6292, 6506, 13012, 35783, 42289, 71566, 84578, 143132, 169156, 393613, 465179, 787226, 930358, 1574452, 1860716, 5116969, 10233938, 20467876]

約数ペア:

[(1, 20467876), (2, 10233938), (4, 5116969), (11, 1860716), (13, 1574452), (22, 930358), (26, 787226), (44, 465179), (52, 393613), (121, 169156), (143, 143132), (242, 84578), (286, 71566), (484, 42289), (572, 35783), (1573, 13012), (3146, 6506), (3253, 6292)]