About the Number

2020471880

2020471879 ← → 2020471881

2進数表記:1111000011011011111010001001000

漢数字表記:二十億二千四十七万千八百八十

素因数分解:

2 3 × 5 1 × 7 2 × 563 1 × 1831 1

素因数の和:2419
約数の個数: 96
約数和(自身を含む): 5300562240
約数和(自身を除く): 3280090360

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 563, 980, 1126, 1831, 1960, 2252, 2815, 3662, 3941, 4504, 5630, 7324, 7882, 9155, 11260, 12817, 14648, 15764, 18310, 19705, 22520, 25634, 27587, 31528, 36620, 39410, 51268, 55174, 64085, 73240, 78820, 89719, 102536, 110348, 128170, 137935, 157640, 179438, 220696, 256340, 275870, 358876, 448595, 512680, 551740, 717752, 897190, 1030853, 1103480, 1794380, 2061706, 3588760, 4123412, 5154265, 7215971, 8246824, 10308530, 14431942, 20617060, 28863884, 36079855, 41234120, 50511797, 57727768, 72159710, 101023594, 144319420, 202047188, 252558985, 288638840, 404094376, 505117970, 1010235940, 2020471880]

約数ペア:
[(1, 2020471880), (2, 1010235940), (4, 505117970), (5, 404094376), (7, 288638840), (8, 252558985), (10, 202047188), (14, 144319420), (20, 101023594), (28, 72159710), (35, 57727768), (40, 50511797), (49, 41234120), (56, 36079855), (70, 28863884), (98, 20617060), (140, 14431942), (196, 10308530), (245, 8246824), (280, 7215971), (392, 5154265), (490, 4123412), (563, 3588760), (980, 2061706), (1126, 1794380), (1831, 1103480), (1960, 1030853), (2252, 897190), (2815, 717752), (3662, 551740), (3941, 512680), (4504, 448595), (5630, 358876), (7324, 275870), (7882, 256340), (9155, 220696), (11260, 179438), (12817, 157640), (14648, 137935), (15764, 128170), (18310, 110348), (19705, 102536), (22520, 89719), (25634, 78820), (27587, 73240), (31528, 64085), (36620, 55174), (39410, 51268)]

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