20357194

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:175

約数の個数: 64

約数和(自身を含む): 39191040

約数和(自身を除く): 18833846

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 53, 79, 106, 143, 158, 187, 221, 286, 374, 442, 583, 689, 869, 901, 1027, 1166, 1343, 1378, 1738, 1802, 2054, 2431, 2686, 4187, 4862, 7579, 8374, 9911, 11297, 11713, 14773, 15158, 17459, 19822, 22594, 23426, 29546, 34918, 46057, 54431, 71179, 92114, 108862, 128843, 142358, 192049, 257686, 384098, 598741, 782969, 925327, 1197482, 1565938, 1850654, 10178597, 20357194]

約数ペア:

[(1, 20357194), (2, 10178597), (11, 1850654), (13, 1565938), (17, 1197482), (22, 925327), (26, 782969), (34, 598741), (53, 384098), (79, 257686), (106, 192049), (143, 142358), (158, 128843), (187, 108862), (221, 92114), (286, 71179), (374, 54431), (442, 46057), (583, 34918), (689, 29546), (869, 23426), (901, 22594), (1027, 19822), (1166, 17459), (1343, 15158), (1378, 14773), (1738, 11713), (1802, 11297), (2054, 9911), (2431, 8374), (2686, 7579), (4187, 4862)]