20912274

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1301}}^1$

素因数の和:1375

約数の個数: 48

約数和(自身を含む): 48746880

約数和(自身を除く): 27834606

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 47, 57, 94, 114, 141, 171, 282, 342, 423, 846, 893, 1301, 1786, 2602, 2679, 3903, 5358, 7806, 8037, 11709, 16074, 23418, 24719, 49438, 61147, 74157, 122294, 148314, 183441, 222471, 366882, 444942, 550323, 1100646, 1161793, 2323586, 3485379, 6970758, 10456137, 20912274]

約数ペア:

[(1, 20912274), (2, 10456137), (3, 6970758), (6, 3485379), (9, 2323586), (18, 1161793), (19, 1100646), (38, 550323), (47, 444942), (57, 366882), (94, 222471), (114, 183441), (141, 148314), (171, 122294), (282, 74157), (342, 61147), (423, 49438), (846, 24719), (893, 23418), (1301, 16074), (1786, 11709), (2602, 8037), (2679, 7806), (3903, 5358)]