About the Number

2021880090

2021880089 ← → 2021880091

2進数表記:1111000100000110111000100011010

漢数字表記:二十億二千百八十八万九十

素因数分解:

2 1 × 3 1 × 5 1 × 23 1 × 2930261 1

素因数の和:2930294
約数の個数: 32
約数和(自身を含む): 5063492736
約数和(自身を除く): 3041612646

約数列:
[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 2930261, 5860522, 8790783, 14651305, 17581566, 29302610, 43953915, 67396003, 87907830, 134792006, 202188009, 336980015, 404376018, 673960030, 1010940045, 2021880090]

約数ペア:
[(1, 2021880090), (2, 1010940045), (3, 673960030), (5, 404376018), (6, 336980015), (10, 202188009), (15, 134792006), (23, 87907830), (30, 67396003), (46, 43953915), (69, 29302610), (115, 17581566), (138, 14651305), (230, 8790783), (345, 5860522), (690, 2930261)]

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