20803371004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3181}}^1\times {\mathrm{4057}}^1$

素因数の和:7286

約数の個数: 48

約数和(自身を含む): 40493775616

約数和(自身を除く): 19690404612

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 3181, 4057, 6362, 8114, 12724, 16228, 41353, 52741, 82706, 98611, 105482, 125767, 165412, 197222, 210964, 251534, 394444, 503068, 1281943, 1634971, 2563886, 3269942, 5127772, 6539884, 12905317, 25810634, 51621268, 167769121, 335538242, 400064827, 671076484, 800129654, 1600259308, 5200842751, 10401685502, 20803371004]

約数ペア:

[(1, 20803371004), (2, 10401685502), (4, 5200842751), (13, 1600259308), (26, 800129654), (31, 671076484), (52, 400064827), (62, 335538242), (124, 167769121), (403, 51621268), (806, 25810634), (1612, 12905317), (3181, 6539884), (4057, 5127772), (6362, 3269942), (8114, 2563886), (12724, 1634971), (16228, 1281943), (41353, 503068), (52741, 394444), (82706, 251534), (98611, 210964), (105482, 197222), (125767, 165412)]