20457152520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{66359}}^1$

素因数の和:66747

約数の個数: 128

約数和(自身を含む): 70330982400

約数和(自身を除く): 49873829880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 367, 420, 734, 840, 1101, 1468, 1835, 2202, 2569, 2936, 3670, 4404, 5138, 5505, 7340, 7707, 8808, 10276, 11010, 12845, 14680, 15414, 20552, 22020, 25690, 30828, 38535, 44040, 51380, 61656, 66359, 77070, 102760, 132718, 154140, 199077, 265436, 308280, 331795, 398154, 464513, 530872, 663590, 796308, 929026, 995385, 1327180, 1393539, 1592616, 1858052, 1990770, 2322565, 2654360, 2787078, 3716104, 3981540, 4645130, 5574156, 6967695, 7963080, 9290260, 11148312, 13935390, 18580520, 24353753, 27870780, 48707506, 55741560, 73061259, 97415012, 121768765, 146122518, 170476271, 194830024, 243537530, 292245036, 340952542, 365306295, 487075060, 511428813, 584490072, 681905084, 730612590, 852381355, 974150120, 1022857626, 1363810168, 1461225180, 1704762710, 2045715252, 2557144065, 2922450360, 3409525420, 4091430504, 5114288130, 6819050840, 10228576260, 20457152520]

約数ペア:

[(1, 20457152520), (2, 10228576260), (3, 6819050840), (4, 5114288130), (5, 4091430504), (6, 3409525420), (7, 2922450360), (8, 2557144065), (10, 2045715252), (12, 1704762710), (14, 1461225180), (15, 1363810168), (20, 1022857626), (21, 974150120), (24, 852381355), (28, 730612590), (30, 681905084), (35, 584490072), (40, 511428813), (42, 487075060), (56, 365306295), (60, 340952542), (70, 292245036), (84, 243537530), (105, 194830024), (120, 170476271), (140, 146122518), (168, 121768765), (210, 97415012), (280, 73061259), (367, 55741560), (420, 48707506), (734, 27870780), (840, 24353753), (1101, 18580520), (1468, 13935390), (1835, 11148312), (2202, 9290260), (2569, 7963080), (2936, 6967695), (3670, 5574156), (4404, 4645130), (5138, 3981540), (5505, 3716104), (7340, 2787078), (7707, 2654360), (8808, 2322565), (10276, 1990770), (11010, 1858052), (12845, 1592616), (14680, 1393539), (15414, 1327180), (20552, 995385), (22020, 929026), (25690, 796308), (30828, 663590), (38535, 530872), (44040, 464513), (51380, 398154), (61656, 331795), (66359, 308280), (77070, 265436), (102760, 199077), (132718, 154140)]