About the Number

12020490

12020489 ← → 12020491

2進数表記:101101110110101100001010

漢数字表記:千二百二万四百九十

素因数分解:

2 1 × 3 2 × 5 1 × 23 1 × 5807 1

素因数の和:5843
約数の個数: 48
約数和(自身を含む): 32617728
約数和(自身を除く): 20597238

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 5807, 11614, 17421, 29035, 34842, 52263, 58070, 87105, 104526, 133561, 174210, 261315, 267122, 400683, 522630, 667805, 801366, 1202049, 1335610, 2003415, 2404098, 4006830, 6010245, 12020490]

約数ペア:
[(1, 12020490), (2, 6010245), (3, 4006830), (5, 2404098), (6, 2003415), (9, 1335610), (10, 1202049), (15, 801366), (18, 667805), (23, 522630), (30, 400683), (45, 267122), (46, 261315), (69, 174210), (90, 133561), (115, 104526), (138, 87105), (207, 58070), (230, 52263), (345, 34842), (414, 29035), (690, 17421), (1035, 11614), (2070, 5807)]

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