20342178

素因数分解:

$2^1\times 3^4\times {\mathrm{199}}^1\times {\mathrm{631}}^1$

素因数の和:844

約数の個数: 40

約数和(自身を含む): 45883200

約数和(自身を除く): 25541022

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 199, 398, 597, 631, 1194, 1262, 1791, 1893, 3582, 3786, 5373, 5679, 10746, 11358, 16119, 17037, 32238, 34074, 51111, 102222, 125569, 251138, 376707, 753414, 1130121, 2260242, 3390363, 6780726, 10171089, 20342178]

約数ペア:

[(1, 20342178), (2, 10171089), (3, 6780726), (6, 3390363), (9, 2260242), (18, 1130121), (27, 753414), (54, 376707), (81, 251138), (162, 125569), (199, 102222), (398, 51111), (597, 34074), (631, 32238), (1194, 17037), (1262, 16119), (1791, 11358), (1893, 10746), (3582, 5679), (3786, 5373)]