20932912

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1307}}^1$

素因数の和:1346

約数の個数: 80

約数和(自身を含む): 54496512

約数和(自身を除く): 33563600

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 143, 154, 176, 182, 208, 286, 308, 364, 572, 616, 728, 1001, 1144, 1232, 1307, 1456, 2002, 2288, 2614, 4004, 5228, 8008, 9149, 10456, 14377, 16016, 16991, 18298, 20912, 28754, 33982, 36596, 57508, 67964, 73192, 100639, 115016, 118937, 135928, 146384, 186901, 201278, 230032, 237874, 271856, 373802, 402556, 475748, 747604, 805112, 951496, 1308307, 1495208, 1610224, 1902992, 2616614, 2990416, 5233228, 10466456, 20932912]

約数ペア:

[(1, 20932912), (2, 10466456), (4, 5233228), (7, 2990416), (8, 2616614), (11, 1902992), (13, 1610224), (14, 1495208), (16, 1308307), (22, 951496), (26, 805112), (28, 747604), (44, 475748), (52, 402556), (56, 373802), (77, 271856), (88, 237874), (91, 230032), (104, 201278), (112, 186901), (143, 146384), (154, 135928), (176, 118937), (182, 115016), (208, 100639), (286, 73192), (308, 67964), (364, 57508), (572, 36596), (616, 33982), (728, 28754), (1001, 20912), (1144, 18298), (1232, 16991), (1307, 16016), (1456, 14377), (2002, 10456), (2288, 9149), (2614, 8008), (4004, 5228)]