20180977586

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{21881}}^1$

素因数の和:22067

約数の個数: 64

約数和(自身を含む): 38795210496

約数和(自身を除く): 18614232910

約数列:

[1, 2, 7, 11, 14, 22, 53, 77, 106, 113, 154, 226, 371, 583, 742, 791, 1166, 1243, 1582, 2486, 4081, 5989, 8162, 8701, 11978, 17402, 21881, 41923, 43762, 65879, 83846, 131758, 153167, 240691, 306334, 461153, 481382, 922306, 1159693, 1684837, 2319386, 2472553, 3369674, 4945106, 8117851, 12756623, 16235702, 17307871, 25513246, 27198083, 34615742, 54396166, 89296361, 131045309, 178592722, 190386581, 262090618, 380773162, 917317163, 1441498399, 1834634326, 2882996798, 10090488793, 20180977586]

約数ペア:

[(1, 20180977586), (2, 10090488793), (7, 2882996798), (11, 1834634326), (14, 1441498399), (22, 917317163), (53, 380773162), (77, 262090618), (106, 190386581), (113, 178592722), (154, 131045309), (226, 89296361), (371, 54396166), (583, 34615742), (742, 27198083), (791, 25513246), (1166, 17307871), (1243, 16235702), (1582, 12756623), (2486, 8117851), (4081, 4945106), (5989, 3369674), (8162, 2472553), (8701, 2319386), (11978, 1684837), (17402, 1159693), (21881, 922306), (41923, 481382), (43762, 461153), (65879, 306334), (83846, 240691), (131758, 153167)]