20156009085

素因数分解:

$3^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{304081}}^1$

素因数の和:304586

約数の個数: 32

約数和(自身を含む): 35906002560

約数和(自身を除く): 15749993475

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 491, 1473, 2455, 4419, 7365, 13257, 22095, 66285, 304081, 912243, 1520405, 2736729, 4561215, 8210187, 13683645, 41050935, 149303771, 447911313, 746518855, 1343733939, 2239556565, 4031201817, 6718669695, 20156009085]

約数ペア:

[(1, 20156009085), (3, 6718669695), (5, 4031201817), (9, 2239556565), (15, 1343733939), (27, 746518855), (45, 447911313), (135, 149303771), (491, 41050935), (1473, 13683645), (2455, 8210187), (4419, 4561215), (7365, 2736729), (13257, 1520405), (22095, 912243), (66285, 304081)]