20133806

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{983}}^1$

素因数の和:1029

約数の個数: 48

約数和(自身を含む): 40383360

約数和(自身を除く): 20249554

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 49, 77, 98, 133, 154, 209, 266, 418, 539, 931, 983, 1078, 1463, 1862, 1966, 2926, 6881, 10241, 10813, 13762, 18677, 20482, 21626, 37354, 48167, 75691, 96334, 130739, 151382, 205447, 261478, 410894, 529837, 915173, 1059674, 1438129, 1830346, 2876258, 10066903, 20133806]

約数ペア:

[(1, 20133806), (2, 10066903), (7, 2876258), (11, 1830346), (14, 1438129), (19, 1059674), (22, 915173), (38, 529837), (49, 410894), (77, 261478), (98, 205447), (133, 151382), (154, 130739), (209, 96334), (266, 75691), (418, 48167), (539, 37354), (931, 21626), (983, 20482), (1078, 18677), (1463, 13762), (1862, 10813), (1966, 10241), (2926, 6881)]