About the Number

23452020

23452019 ← → 23452021

2進数表記:1011001011101100101110100

漢数字表記:二千三百四十五万二千二十

素因数分解:

2 2 × 3 2 × 5 1 × 113 1 × 1153 1

素因数の和:1281
約数の個数: 72
約数和(自身を含む): 71829576
約数和(自身を除く): 48377556

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 113, 180, 226, 339, 452, 565, 678, 1017, 1130, 1153, 1356, 1695, 2034, 2260, 2306, 3390, 3459, 4068, 4612, 5085, 5765, 6780, 6918, 10170, 10377, 11530, 13836, 17295, 20340, 20754, 23060, 34590, 41508, 51885, 69180, 103770, 130289, 207540, 260578, 390867, 521156, 651445, 781734, 1172601, 1302890, 1563468, 1954335, 2345202, 2605780, 3908670, 4690404, 5863005, 7817340, 11726010, 23452020]

約数ペア:
[(1, 23452020), (2, 11726010), (3, 7817340), (4, 5863005), (5, 4690404), (6, 3908670), (9, 2605780), (10, 2345202), (12, 1954335), (15, 1563468), (18, 1302890), (20, 1172601), (30, 781734), (36, 651445), (45, 521156), (60, 390867), (90, 260578), (113, 207540), (180, 130289), (226, 103770), (339, 69180), (452, 51885), (565, 41508), (678, 34590), (1017, 23060), (1130, 20754), (1153, 20340), (1356, 17295), (1695, 13836), (2034, 11530), (2260, 10377), (2306, 10170), (3390, 6918), (3459, 6780), (4068, 5765), (4612, 5085)]

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