20120855475

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{78697}}^1$

素因数の和:79204

約数の個数: 48

約数和(自身を含む): 38097387008

約数和(自身を除く): 17976531533

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 175, 487, 525, 1461, 2435, 3409, 7305, 10227, 12175, 17045, 36525, 51135, 78697, 85225, 236091, 255675, 393485, 550879, 1180455, 1652637, 1967425, 2754395, 5902275, 8263185, 13771975, 38325439, 41315925, 114976317, 191627195, 268278073, 574881585, 804834219, 958135975, 1341390365, 2874407925, 4024171095, 6706951825, 20120855475]

約数ペア:

[(1, 20120855475), (3, 6706951825), (5, 4024171095), (7, 2874407925), (15, 1341390365), (21, 958135975), (25, 804834219), (35, 574881585), (75, 268278073), (105, 191627195), (175, 114976317), (487, 41315925), (525, 38325439), (1461, 13771975), (2435, 8263185), (3409, 5902275), (7305, 2754395), (10227, 1967425), (12175, 1652637), (17045, 1180455), (36525, 550879), (51135, 393485), (78697, 255675), (85225, 236091)]