20793037875

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{141811}}^1$

素因数の和:141869

約数の個数: 64

約数和(自身を含む): 38227977216

約数和(自身を除く): 17434939341

約数列:

[1, 3, 5, 15, 17, 23, 25, 51, 69, 75, 85, 115, 125, 255, 345, 375, 391, 425, 575, 1173, 1275, 1725, 1955, 2125, 2875, 5865, 6375, 8625, 9775, 29325, 48875, 141811, 146625, 425433, 709055, 2127165, 2410787, 3261653, 3545275, 7232361, 9784959, 10635825, 12053935, 16308265, 17726375, 36161805, 48924795, 53179125, 55448101, 60269675, 81541325, 166344303, 180809025, 244623975, 277240505, 301348375, 407706625, 831721515, 904045125, 1223119875, 1386202525, 4158607575, 6931012625, 20793037875]

約数ペア:

[(1, 20793037875), (3, 6931012625), (5, 4158607575), (15, 1386202525), (17, 1223119875), (23, 904045125), (25, 831721515), (51, 407706625), (69, 301348375), (75, 277240505), (85, 244623975), (115, 180809025), (125, 166344303), (255, 81541325), (345, 60269675), (375, 55448101), (391, 53179125), (425, 48924795), (575, 36161805), (1173, 17726375), (1275, 16308265), (1725, 12053935), (1955, 10635825), (2125, 9784959), (2875, 7232361), (5865, 3545275), (6375, 3261653), (8625, 2410787), (9775, 2127165), (29325, 709055), (48875, 425433), (141811, 146625)]