20173896280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{70627}}^1$

素因数の和:70868

約数の個数: 64

約数和(自身を含む): 46860265440

約数和(自身を除く): 26686369160

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 193, 296, 370, 386, 740, 772, 965, 1480, 1544, 1930, 3860, 7141, 7720, 14282, 28564, 35705, 57128, 70627, 71410, 141254, 142820, 282508, 285640, 353135, 565016, 706270, 1412540, 2613199, 2825080, 5226398, 10452796, 13065995, 13631011, 20905592, 26131990, 27262022, 52263980, 54524044, 68155055, 104527960, 109048088, 136310110, 272620220, 504347407, 545240440, 1008694814, 2017389628, 2521737035, 4034779256, 5043474070, 10086948140, 20173896280]

約数ペア:

[(1, 20173896280), (2, 10086948140), (4, 5043474070), (5, 4034779256), (8, 2521737035), (10, 2017389628), (20, 1008694814), (37, 545240440), (40, 504347407), (74, 272620220), (148, 136310110), (185, 109048088), (193, 104527960), (296, 68155055), (370, 54524044), (386, 52263980), (740, 27262022), (772, 26131990), (965, 20905592), (1480, 13631011), (1544, 13065995), (1930, 10452796), (3860, 5226398), (7141, 2825080), (7720, 2613199), (14282, 1412540), (28564, 706270), (35705, 565016), (57128, 353135), (70627, 285640), (71410, 282508), (141254, 142820)]