20528057900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1543463}}^1$

素因数の和:1543503

約数の個数: 72

約数和(自身を含む): 53589070080

約数和(自身を除く): 33061012180

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 133, 140, 175, 190, 266, 350, 380, 475, 532, 665, 700, 950, 1330, 1900, 2660, 3325, 6650, 13300, 1543463, 3086926, 6173852, 7717315, 10804241, 15434630, 21608482, 29325797, 30869260, 38586575, 43216964, 54021205, 58651594, 77173150, 108042410, 117303188, 146628985, 154346300, 205280579, 216084820, 270106025, 293257970, 410561158, 540212050, 586515940, 733144925, 821122316, 1026402895, 1080424100, 1466289850, 2052805790, 2932579700, 4105611580, 5132014475, 10264028950, 20528057900]

約数ペア:

[(1, 20528057900), (2, 10264028950), (4, 5132014475), (5, 4105611580), (7, 2932579700), (10, 2052805790), (14, 1466289850), (19, 1080424100), (20, 1026402895), (25, 821122316), (28, 733144925), (35, 586515940), (38, 540212050), (50, 410561158), (70, 293257970), (76, 270106025), (95, 216084820), (100, 205280579), (133, 154346300), (140, 146628985), (175, 117303188), (190, 108042410), (266, 77173150), (350, 58651594), (380, 54021205), (475, 43216964), (532, 38586575), (665, 30869260), (700, 29325797), (950, 21608482), (1330, 15434630), (1900, 10804241), (2660, 7717315), (3325, 6173852), (6650, 3086926), (13300, 1543463)]