20199427275

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{67789}}^1$

素因数の和:67968

約数の個数: 48

約数和(自身を含む): 34800674400

約数和(自身を除く): 14601247125

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 137, 145, 411, 435, 685, 725, 2055, 2175, 3425, 3973, 10275, 11919, 19865, 59595, 67789, 99325, 203367, 297975, 338945, 1016835, 1694725, 1965881, 5084175, 5897643, 9287093, 9829405, 27861279, 29488215, 46435465, 49147025, 139306395, 147441075, 232177325, 269325697, 696531975, 807977091, 1346628485, 4039885455, 6733142425, 20199427275]

約数ペア:

[(1, 20199427275), (3, 6733142425), (5, 4039885455), (15, 1346628485), (25, 807977091), (29, 696531975), (75, 269325697), (87, 232177325), (137, 147441075), (145, 139306395), (411, 49147025), (435, 46435465), (685, 29488215), (725, 27861279), (2055, 9829405), (2175, 9287093), (3425, 5897643), (3973, 5084175), (10275, 1965881), (11919, 1694725), (19865, 1016835), (59595, 338945), (67789, 297975), (99325, 203367)]