20773610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 44755200

約数和(自身を除く): 23981590

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 73, 110, 130, 143, 146, 199, 286, 365, 398, 715, 730, 803, 949, 995, 1430, 1606, 1898, 1990, 2189, 2587, 4015, 4378, 4745, 5174, 8030, 9490, 10439, 10945, 12935, 14527, 20878, 21890, 25870, 28457, 29054, 52195, 56914, 72635, 104390, 142285, 145270, 159797, 188851, 284570, 319594, 377702, 798985, 944255, 1597970, 1888510, 2077361, 4154722, 10386805, 20773610]

約数ペア:

[(1, 20773610), (2, 10386805), (5, 4154722), (10, 2077361), (11, 1888510), (13, 1597970), (22, 944255), (26, 798985), (55, 377702), (65, 319594), (73, 284570), (110, 188851), (130, 159797), (143, 145270), (146, 142285), (199, 104390), (286, 72635), (365, 56914), (398, 52195), (715, 29054), (730, 28457), (803, 25870), (949, 21890), (995, 20878), (1430, 14527), (1606, 12935), (1898, 10945), (1990, 10439), (2189, 9490), (2587, 8030), (4015, 5174), (4378, 4745)]