20208212637

素因数分解:

$3^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1\times {\mathrm{293}}^1\times {\mathrm{509}}^1$

素因数の和:914

約数の個数: 48

約数和(自身を含む): 28586960640

約数和(自身を除く): 8378748003

約数列:

[1, 3, 31, 47, 93, 141, 293, 509, 879, 961, 1457, 1527, 2883, 4371, 9083, 13771, 15779, 23923, 27249, 41313, 45167, 47337, 71769, 135501, 149137, 281573, 426901, 447411, 489149, 741613, 844719, 1280703, 1467447, 2224839, 4623247, 7009439, 13233931, 13869741, 21028317, 22990003, 39701793, 68970009, 143320657, 217292609, 429961971, 651877827, 6736070879, 20208212637]

約数ペア:

[(1, 20208212637), (3, 6736070879), (31, 651877827), (47, 429961971), (93, 217292609), (141, 143320657), (293, 68970009), (509, 39701793), (879, 22990003), (961, 21028317), (1457, 13869741), (1527, 13233931), (2883, 7009439), (4371, 4623247), (9083, 2224839), (13771, 1467447), (15779, 1280703), (23923, 844719), (27249, 741613), (41313, 489149), (45167, 447411), (47337, 426901), (71769, 281573), (135501, 149137)]