20856044

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{1051}}^1$

素因数の和:1118

約数の個数: 36

約数和(自身を含む): 41135304

約数和(自身を除く): 20279260

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 121, 164, 242, 451, 484, 902, 1051, 1804, 2102, 4204, 4961, 9922, 11561, 19844, 23122, 43091, 46244, 86182, 127171, 172364, 254342, 474001, 508684, 948002, 1896004, 5214011, 10428022, 20856044]

約数ペア:

[(1, 20856044), (2, 10428022), (4, 5214011), (11, 1896004), (22, 948002), (41, 508684), (44, 474001), (82, 254342), (121, 172364), (164, 127171), (242, 86182), (451, 46244), (484, 43091), (902, 23122), (1051, 19844), (1804, 11561), (2102, 9922), (4204, 4961)]