About the Number

131742020

131742019 ← → 131742021

2進数表記:111110110100011100101000100

漢数字表記:一億三千百七十四万二千二十

素因数分解:

2 2 × 5 1 × 41 1 × 347 1 × 463 1

素因数の和:860
約数の個数: 48
約数和(自身を含む): 284836608
約数和(自身を除く): 153094588

約数列:
[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 347, 410, 463, 694, 820, 926, 1388, 1735, 1852, 2315, 3470, 4630, 6940, 9260, 14227, 18983, 28454, 37966, 56908, 71135, 75932, 94915, 142270, 160661, 189830, 284540, 321322, 379660, 642644, 803305, 1606610, 3213220, 6587101, 13174202, 26348404, 32935505, 65871010, 131742020]

約数ペア:
[(1, 131742020), (2, 65871010), (4, 32935505), (5, 26348404), (10, 13174202), (20, 6587101), (41, 3213220), (82, 1606610), (164, 803305), (205, 642644), (347, 379660), (410, 321322), (463, 284540), (694, 189830), (820, 160661), (926, 142270), (1388, 94915), (1735, 75932), (1852, 71135), (2315, 56908), (3470, 37966), (4630, 28454), (6940, 18983), (9260, 14227)]

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