About the Number

20421000

20420999 ← → 20421001

2進数表記:1001101111001100110001000

漢数字表記:二千四十二万千

素因数分解:

2 3 × 3 2 × 5 3 × 2269 1

素因数の和:2296
約数の個数: 96
約数和(自身を含む): 69053400
約数和(自身を除く): 48632400

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 125, 150, 180, 200, 225, 250, 300, 360, 375, 450, 500, 600, 750, 900, 1000, 1125, 1500, 1800, 2250, 2269, 3000, 4500, 4538, 6807, 9000, 9076, 11345, 13614, 18152, 20421, 22690, 27228, 34035, 40842, 45380, 54456, 56725, 68070, 81684, 90760, 102105, 113450, 136140, 163368, 170175, 204210, 226900, 272280, 283625, 340350, 408420, 453800, 510525, 567250, 680700, 816840, 850875, 1021050, 1134500, 1361400, 1701750, 2042100, 2269000, 2552625, 3403500, 4084200, 5105250, 6807000, 10210500, 20421000]

約数ペア:
[(1, 20421000), (2, 10210500), (3, 6807000), (4, 5105250), (5, 4084200), (6, 3403500), (8, 2552625), (9, 2269000), (10, 2042100), (12, 1701750), (15, 1361400), (18, 1134500), (20, 1021050), (24, 850875), (25, 816840), (30, 680700), (36, 567250), (40, 510525), (45, 453800), (50, 408420), (60, 340350), (72, 283625), (75, 272280), (90, 226900), (100, 204210), (120, 170175), (125, 163368), (150, 136140), (180, 113450), (200, 102105), (225, 90760), (250, 81684), (300, 68070), (360, 56725), (375, 54456), (450, 45380), (500, 40842), (600, 34035), (750, 27228), (900, 22690), (1000, 20421), (1125, 18152), (1500, 13614), (1800, 11345), (2250, 9076), (2269, 9000), (3000, 6807), (4500, 4538)]

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