20681799237

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1\times {\mathrm{4663}}^1$

素因数の和:5382

約数の個数: 48

約数和(自身を含む): 33107982336

約数和(自身を除く): 12426183099

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 631, 639, 781, 1893, 2343, 4663, 5679, 6941, 7029, 13989, 20823, 41967, 44801, 51293, 62469, 134403, 153879, 331073, 403209, 461637, 492811, 993219, 1478433, 2942353, 2979657, 3641803, 4435299, 8827059, 10925409, 26481177, 32365883, 32776227, 97097649, 208907063, 291292947, 626721189, 1880163567, 2297977693, 6893933079, 20681799237]

約数ペア:

[(1, 20681799237), (3, 6893933079), (9, 2297977693), (11, 1880163567), (33, 626721189), (71, 291292947), (99, 208907063), (213, 97097649), (631, 32776227), (639, 32365883), (781, 26481177), (1893, 10925409), (2343, 8827059), (4663, 4435299), (5679, 3641803), (6941, 2979657), (7029, 2942353), (13989, 1478433), (20823, 993219), (41967, 492811), (44801, 461637), (51293, 403209), (62469, 331073), (134403, 153879)]