20187780249

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1873}}^1\times {\mathrm{3037}}^1$

素因数の和:4946

約数の個数: 48

約数和(自身を含む): 33339449472

約数和(自身を除く): 13151669223

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 1873, 3037, 3549, 5619, 9111, 13111, 21259, 24349, 39333, 39481, 63777, 73047, 118443, 170443, 276367, 316537, 511329, 513253, 829101, 949611, 1539759, 2215759, 3592771, 5688301, 6647277, 10778313, 17064903, 39818107, 73947913, 119454321, 221843739, 517635391, 961322869, 1552906173, 2883968607, 6729260083, 20187780249]

約数ペア:

[(1, 20187780249), (3, 6729260083), (7, 2883968607), (13, 1552906173), (21, 961322869), (39, 517635391), (91, 221843739), (169, 119454321), (273, 73947913), (507, 39818107), (1183, 17064903), (1873, 10778313), (3037, 6647277), (3549, 5688301), (5619, 3592771), (9111, 2215759), (13111, 1539759), (21259, 949611), (24349, 829101), (39333, 513253), (39481, 511329), (63777, 316537), (73047, 276367), (118443, 170443)]