20163400880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1823}}^1\times {\mathrm{19751}}^1$

素因数の和:21594

約数の個数: 80

約数和(自身を含む): 53609140224

約数和(自身を除く): 33445739344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1823, 3646, 7292, 9115, 12761, 14584, 18230, 19751, 25522, 29168, 36460, 39502, 51044, 63805, 72920, 79004, 98755, 102088, 127610, 138257, 145840, 158008, 197510, 204176, 255220, 276514, 316016, 395020, 510440, 553028, 691285, 790040, 1020880, 1106056, 1382570, 1580080, 2212112, 2765140, 5530280, 11060560, 36006073, 72012146, 144024292, 180030365, 252042511, 288048584, 360060730, 504085022, 576097168, 720121460, 1008170044, 1260212555, 1440242920, 2016340088, 2520425110, 2880485840, 4032680176, 5040850220, 10081700440, 20163400880]

約数ペア:

[(1, 20163400880), (2, 10081700440), (4, 5040850220), (5, 4032680176), (7, 2880485840), (8, 2520425110), (10, 2016340088), (14, 1440242920), (16, 1260212555), (20, 1008170044), (28, 720121460), (35, 576097168), (40, 504085022), (56, 360060730), (70, 288048584), (80, 252042511), (112, 180030365), (140, 144024292), (280, 72012146), (560, 36006073), (1823, 11060560), (3646, 5530280), (7292, 2765140), (9115, 2212112), (12761, 1580080), (14584, 1382570), (18230, 1106056), (19751, 1020880), (25522, 790040), (29168, 691285), (36460, 553028), (39502, 510440), (51044, 395020), (63805, 316016), (72920, 276514), (79004, 255220), (98755, 204176), (102088, 197510), (127610, 158008), (138257, 145840)]