20214309

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{907}}^1$

素因数の和:969

約数の個数: 32

約数和(自身を含む): 31380480

約数和(自身を除く): 11166171

約数列:

[1, 3, 17, 19, 23, 51, 57, 69, 323, 391, 437, 907, 969, 1173, 1311, 2721, 7429, 15419, 17233, 20861, 22287, 46257, 51699, 62583, 292961, 354637, 396359, 878883, 1063911, 1189077, 6738103, 20214309]

約数ペア:

[(1, 20214309), (3, 6738103), (17, 1189077), (19, 1063911), (23, 878883), (51, 396359), (57, 354637), (69, 292961), (323, 62583), (391, 51699), (437, 46257), (907, 22287), (969, 20861), (1173, 17233), (1311, 15419), (2721, 7429)]