20386535739

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{2039}}^1\times {\mathrm{2803}}^1$

素因数の和:4915

約数の個数: 32

約数和(自身を含む): 28829606400

約数和(自身を除く): 8443070661

約数列:

[1, 3, 29, 41, 87, 123, 1189, 2039, 2803, 3567, 6117, 8409, 59131, 81287, 83599, 114923, 177393, 243861, 250797, 344769, 2424371, 3332767, 5715317, 7273113, 9998301, 17145951, 165744193, 234327997, 497232579, 702983991, 6795511913, 20386535739]

約数ペア:

[(1, 20386535739), (3, 6795511913), (29, 702983991), (41, 497232579), (87, 234327997), (123, 165744193), (1189, 17145951), (2039, 9998301), (2803, 7273113), (3567, 5715317), (6117, 3332767), (8409, 2424371), (59131, 344769), (81287, 250797), (83599, 243861), (114923, 177393)]