20080852

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 39916800

約数和(自身を除く): 19835948

約数列:

[1, 2, 4, 11, 22, 44, 53, 79, 106, 109, 158, 212, 218, 316, 436, 583, 869, 1166, 1199, 1738, 2332, 2398, 3476, 4187, 4796, 5777, 8374, 8611, 11554, 16748, 17222, 23108, 34444, 46057, 63547, 92114, 94721, 127094, 184228, 189442, 254188, 378884, 456383, 912766, 1825532, 5020213, 10040426, 20080852]

約数ペア:

[(1, 20080852), (2, 10040426), (4, 5020213), (11, 1825532), (22, 912766), (44, 456383), (53, 378884), (79, 254188), (106, 189442), (109, 184228), (158, 127094), (212, 94721), (218, 92114), (316, 63547), (436, 46057), (583, 34444), (869, 23108), (1166, 17222), (1199, 16748), (1738, 11554), (2332, 8611), (2398, 8374), (3476, 5777), (4187, 4796)]