20798136

素因数分解:

$2^3\times 3^2\times {\mathrm{151}}^1\times {\mathrm{1913}}^1$

素因数の和:2076

約数の個数: 48

約数和(自身を含む): 56730960

約数和(自身を除く): 35932824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 151, 302, 453, 604, 906, 1208, 1359, 1812, 1913, 2718, 3624, 3826, 5436, 5739, 7652, 10872, 11478, 15304, 17217, 22956, 34434, 45912, 68868, 137736, 288863, 577726, 866589, 1155452, 1733178, 2310904, 2599767, 3466356, 5199534, 6932712, 10399068, 20798136]

約数ペア:

[(1, 20798136), (2, 10399068), (3, 6932712), (4, 5199534), (6, 3466356), (8, 2599767), (9, 2310904), (12, 1733178), (18, 1155452), (24, 866589), (36, 577726), (72, 288863), (151, 137736), (302, 68868), (453, 45912), (604, 34434), (906, 22956), (1208, 17217), (1359, 15304), (1812, 11478), (1913, 10872), (2718, 7652), (3624, 5739), (3826, 5436)]