20375992

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2153}}^1$

素因数の和:2192

約数の個数: 48

約数和(自身を含む): 47301840

約数和(自身を除く): 26925848

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 169, 182, 338, 364, 676, 728, 1183, 1352, 2153, 2366, 4306, 4732, 8612, 9464, 15071, 17224, 27989, 30142, 55978, 60284, 111956, 120568, 195923, 223912, 363857, 391846, 727714, 783692, 1455428, 1567384, 2546999, 2910856, 5093998, 10187996, 20375992]

約数ペア:

[(1, 20375992), (2, 10187996), (4, 5093998), (7, 2910856), (8, 2546999), (13, 1567384), (14, 1455428), (26, 783692), (28, 727714), (52, 391846), (56, 363857), (91, 223912), (104, 195923), (169, 120568), (182, 111956), (338, 60284), (364, 55978), (676, 30142), (728, 27989), (1183, 17224), (1352, 15071), (2153, 9464), (2366, 8612), (4306, 4732)]