20123237388

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{294251}}^1$

素因数の和:294438

約数の個数: 48

約数和(自身を含む): 48445649280

約数和(自身を除く): 28322411892

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 139, 164, 246, 278, 417, 492, 556, 834, 1668, 5699, 11398, 17097, 22796, 34194, 68388, 294251, 588502, 882753, 1177004, 1765506, 3531012, 12064291, 24128582, 36192873, 40900889, 48257164, 72385746, 81801778, 122702667, 144771492, 163603556, 245405334, 490810668, 1676936449, 3353872898, 5030809347, 6707745796, 10061618694, 20123237388]

約数ペア:

[(1, 20123237388), (2, 10061618694), (3, 6707745796), (4, 5030809347), (6, 3353872898), (12, 1676936449), (41, 490810668), (82, 245405334), (123, 163603556), (139, 144771492), (164, 122702667), (246, 81801778), (278, 72385746), (417, 48257164), (492, 40900889), (556, 36192873), (834, 24128582), (1668, 12064291), (5699, 3531012), (11398, 1765506), (17097, 1177004), (22796, 882753), (34194, 588502), (68388, 294251)]