20675644

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 41249376

約数和(自身を除く): 20573732

約数列:

[1, 2, 4, 11, 22, 41, 44, 73, 82, 146, 157, 164, 292, 314, 451, 628, 803, 902, 1606, 1727, 1804, 2993, 3212, 3454, 5986, 6437, 6908, 11461, 11972, 12874, 22922, 25748, 32923, 45844, 65846, 70807, 126071, 131692, 141614, 252142, 283228, 469901, 504284, 939802, 1879604, 5168911, 10337822, 20675644]

約数ペア:

[(1, 20675644), (2, 10337822), (4, 5168911), (11, 1879604), (22, 939802), (41, 504284), (44, 469901), (73, 283228), (82, 252142), (146, 141614), (157, 131692), (164, 126071), (292, 70807), (314, 65846), (451, 45844), (628, 32923), (803, 25748), (902, 22922), (1606, 12874), (1727, 11972), (1804, 11461), (2993, 6908), (3212, 6437), (3454, 5986)]