20363840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{9091}}^1$

素因数の和:9115

約数の個数: 56

約数和(自身を含む): 55424832

約数和(自身を除く): 35060992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 9091, 18182, 36364, 45455, 63637, 72728, 90910, 127274, 145456, 181820, 254548, 290912, 318185, 363640, 509096, 581824, 636370, 727280, 1018192, 1272740, 1454560, 2036384, 2545480, 2909120, 4072768, 5090960, 10181920, 20363840]

約数ペア:

[(1, 20363840), (2, 10181920), (4, 5090960), (5, 4072768), (7, 2909120), (8, 2545480), (10, 2036384), (14, 1454560), (16, 1272740), (20, 1018192), (28, 727280), (32, 636370), (35, 581824), (40, 509096), (56, 363640), (64, 318185), (70, 290912), (80, 254548), (112, 181820), (140, 145456), (160, 127274), (224, 90910), (280, 72728), (320, 63637), (448, 45455), (560, 36364), (1120, 18182), (2240, 9091)]