About the Number

20135740

20135739 ← → 20135741

2進数表記:1001100110011111100111100

漢数字表記:二千十三万五千七百四十

素因数分解:

2 2 × 5 1 × 31 1 × 47 1 × 691 1

素因数の和:778
約数の個数: 48
約数和(自身を含む): 44642304
約数和(自身を除く): 24506564

約数列:
[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 310, 470, 620, 691, 940, 1382, 1457, 2764, 2914, 3455, 5828, 6910, 7285, 13820, 14570, 21421, 29140, 32477, 42842, 64954, 85684, 107105, 129908, 162385, 214210, 324770, 428420, 649540, 1006787, 2013574, 4027148, 5033935, 10067870, 20135740]

約数ペア:
[(1, 20135740), (2, 10067870), (4, 5033935), (5, 4027148), (10, 2013574), (20, 1006787), (31, 649540), (47, 428420), (62, 324770), (94, 214210), (124, 162385), (155, 129908), (188, 107105), (235, 85684), (310, 64954), (470, 42842), (620, 32477), (691, 29140), (940, 21421), (1382, 14570), (1457, 13820), (2764, 7285), (2914, 6910), (3455, 5828)]

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