20498166

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{349}}^1$

素因数の和:621

約数の個数: 48

約数和(自身を含む): 48157200

約数和(自身を除く): 27659034

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 251, 349, 502, 698, 753, 1047, 1506, 2094, 2259, 3141, 3263, 4518, 4537, 6282, 6526, 9074, 9789, 13611, 19578, 27222, 29367, 40833, 58734, 81666, 87599, 175198, 262797, 525594, 788391, 1138787, 1576782, 2277574, 3416361, 6832722, 10249083, 20498166]

約数ペア:

[(1, 20498166), (2, 10249083), (3, 6832722), (6, 3416361), (9, 2277574), (13, 1576782), (18, 1138787), (26, 788391), (39, 525594), (78, 262797), (117, 175198), (234, 87599), (251, 81666), (349, 58734), (502, 40833), (698, 29367), (753, 27222), (1047, 19578), (1506, 13611), (2094, 9789), (2259, 9074), (3141, 6526), (3263, 6282), (4518, 4537)]