20274579

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1163}}^1$

素因数の和:1331

約数の個数: 24

約数和(自身を含む): 31777200

約数和(自身を除く): 11502621

約数列:

[1, 3, 9, 13, 39, 117, 149, 447, 1163, 1341, 1937, 3489, 5811, 10467, 15119, 17433, 45357, 136071, 173287, 519861, 1559583, 2252731, 6758193, 20274579]

約数ペア:

[(1, 20274579), (3, 6758193), (9, 2252731), (13, 1559583), (39, 519861), (117, 173287), (149, 136071), (447, 45357), (1163, 17433), (1341, 15119), (1937, 10467), (3489, 5811)]