20829125940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{823}}^1\times {\mathrm{60259}}^1$

素因数の和:61101

約数の個数: 96

約数和(自身を含む): 66735298560

約数和(自身を除く): 45906172620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 823, 1646, 2469, 3292, 4115, 4938, 5761, 8230, 9876, 11522, 12345, 16460, 17283, 23044, 24690, 28805, 34566, 49380, 57610, 60259, 69132, 86415, 115220, 120518, 172830, 180777, 241036, 301295, 345660, 361554, 421813, 602590, 723108, 843626, 903885, 1205180, 1265439, 1687252, 1807770, 2109065, 2530878, 3615540, 4218130, 5061756, 6327195, 8436260, 12654390, 25308780, 49593157, 99186314, 148779471, 198372628, 247965785, 297558942, 347152099, 495931570, 595117884, 694304198, 743897355, 991863140, 1041456297, 1388608396, 1487794710, 1735760495, 2082912594, 2975589420, 3471520990, 4165825188, 5207281485, 6943041980, 10414562970, 20829125940]

約数ペア:

[(1, 20829125940), (2, 10414562970), (3, 6943041980), (4, 5207281485), (5, 4165825188), (6, 3471520990), (7, 2975589420), (10, 2082912594), (12, 1735760495), (14, 1487794710), (15, 1388608396), (20, 1041456297), (21, 991863140), (28, 743897355), (30, 694304198), (35, 595117884), (42, 495931570), (60, 347152099), (70, 297558942), (84, 247965785), (105, 198372628), (140, 148779471), (210, 99186314), (420, 49593157), (823, 25308780), (1646, 12654390), (2469, 8436260), (3292, 6327195), (4115, 5061756), (4938, 4218130), (5761, 3615540), (8230, 2530878), (9876, 2109065), (11522, 1807770), (12345, 1687252), (16460, 1265439), (17283, 1205180), (23044, 903885), (24690, 843626), (28805, 723108), (34566, 602590), (49380, 421813), (57610, 361554), (60259, 345660), (69132, 301295), (86415, 241036), (115220, 180777), (120518, 172830)]