20026292

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 41620992

約数和(自身を除く): 21594700

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 157, 223, 286, 314, 446, 572, 628, 892, 1727, 2041, 2453, 2899, 3454, 4082, 4906, 5798, 6908, 8164, 9812, 11596, 22451, 31889, 35011, 44902, 63778, 70022, 89804, 127556, 140044, 385121, 455143, 770242, 910286, 1540484, 1820572, 5006573, 10013146, 20026292]

約数ペア:

[(1, 20026292), (2, 10013146), (4, 5006573), (11, 1820572), (13, 1540484), (22, 910286), (26, 770242), (44, 455143), (52, 385121), (143, 140044), (157, 127556), (223, 89804), (286, 70022), (314, 63778), (446, 44902), (572, 35011), (628, 31889), (892, 22451), (1727, 11596), (2041, 9812), (2453, 8164), (2899, 6908), (3454, 5798), (4082, 4906)]