20619212

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{1097}}^1$

素因数の和:1265

約数の個数: 24

約数和(自身を含む): 37384704

約数和(自身を除く): 16765492

約数列:

[1, 2, 4, 37, 74, 127, 148, 254, 508, 1097, 2194, 4388, 4699, 9398, 18796, 40589, 81178, 139319, 162356, 278638, 557276, 5154803, 10309606, 20619212]

約数ペア:

[(1, 20619212), (2, 10309606), (4, 5154803), (37, 557276), (74, 278638), (127, 162356), (148, 139319), (254, 81178), (508, 40589), (1097, 18796), (2194, 9398), (4388, 4699)]