20120994405

素因数分解:

$3^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{393257}}^1$

素因数の和:393650

約数の個数: 32

約数和(自身を含む): 35865129600

約数和(自身を除く): 15744135195

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 379, 1137, 1895, 3411, 5685, 10233, 17055, 51165, 393257, 1179771, 1966285, 3539313, 5898855, 10617939, 17696565, 53089695, 149044403, 447133209, 745222015, 1341399627, 2235666045, 4024198881, 6706998135, 20120994405]

約数ペア:

[(1, 20120994405), (3, 6706998135), (5, 4024198881), (9, 2235666045), (15, 1341399627), (27, 745222015), (45, 447133209), (135, 149044403), (379, 53089695), (1137, 17696565), (1895, 10617939), (3411, 5898855), (5685, 3539313), (10233, 1966285), (17055, 1179771), (51165, 393257)]