2007120820

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{541}}^1\times {\mathrm{3041}}^1$

素因数の和:3652

約数の個数: 48

約数和(自身を含む): 4293381456

約数和(自身を除く): 2286260636

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 541, 610, 1082, 1220, 2164, 2705, 3041, 5410, 6082, 10820, 12164, 15205, 30410, 33001, 60820, 66002, 132004, 165005, 185501, 330010, 371002, 660020, 742004, 927505, 1645181, 1855010, 3290362, 3710020, 6580724, 8225905, 16451810, 32903620, 100356041, 200712082, 401424164, 501780205, 1003560410, 2007120820]

約数ペア:

[(1, 2007120820), (2, 1003560410), (4, 501780205), (5, 401424164), (10, 200712082), (20, 100356041), (61, 32903620), (122, 16451810), (244, 8225905), (305, 6580724), (541, 3710020), (610, 3290362), (1082, 1855010), (1220, 1645181), (2164, 927505), (2705, 742004), (3041, 660020), (5410, 371002), (6082, 330010), (10820, 185501), (12164, 165005), (15205, 132004), (30410, 66002), (33001, 60820)]