About the Number

20497340

20497339 ← → 20497341

2進数表記:1001110001100001110111100

漢数字表記:二千四十九万七千三百四十

素因数分解:

2 2 × 5 1 × 79 1 × 12973 1

素因数の和:13061
約数の個数: 24
約数和(自身を含む): 43592640
約数和(自身を除く): 23095300

約数列:
[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 12973, 25946, 51892, 64865, 129730, 259460, 1024867, 2049734, 4099468, 5124335, 10248670, 20497340]

約数ペア:
[(1, 20497340), (2, 10248670), (4, 5124335), (5, 4099468), (10, 2049734), (20, 1024867), (79, 259460), (158, 129730), (316, 64865), (395, 51892), (790, 25946), (1580, 12973)]

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