20841252

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{283}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 54534816

約数和(自身を除く): 33693564

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 76, 102, 114, 204, 228, 283, 323, 361, 566, 646, 722, 849, 969, 1083, 1132, 1292, 1444, 1698, 1938, 2166, 3396, 3876, 4332, 4811, 5377, 6137, 9622, 10754, 12274, 14433, 16131, 18411, 19244, 21508, 24548, 28866, 32262, 36822, 57732, 64524, 73644, 91409, 102163, 182818, 204326, 274227, 306489, 365636, 408652, 548454, 612978, 1096908, 1225956, 1736771, 3473542, 5210313, 6947084, 10420626, 20841252]

約数ペア:

[(1, 20841252), (2, 10420626), (3, 6947084), (4, 5210313), (6, 3473542), (12, 1736771), (17, 1225956), (19, 1096908), (34, 612978), (38, 548454), (51, 408652), (57, 365636), (68, 306489), (76, 274227), (102, 204326), (114, 182818), (204, 102163), (228, 91409), (283, 73644), (323, 64524), (361, 57732), (566, 36822), (646, 32262), (722, 28866), (849, 24548), (969, 21508), (1083, 19244), (1132, 18411), (1292, 16131), (1444, 14433), (1698, 12274), (1938, 10754), (2166, 9622), (3396, 6137), (3876, 5377), (4332, 4811)]