About the Number

20215160

20215159 ← → 20215161

2進数表記:1001101000111010101111000

漢数字表記:二千二十一万五千百六十

素因数分解:

2 3 × 5 1 × 7 1 × 23 1 × 43 1 × 73 1

素因数の和:157
約数の個数: 128
約数和(自身を含む): 56263680
約数和(自身を除く): 36048520

約数列:
[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 43, 46, 56, 70, 73, 86, 92, 115, 140, 146, 161, 172, 184, 215, 230, 280, 292, 301, 322, 344, 365, 430, 460, 511, 584, 602, 644, 730, 805, 860, 920, 989, 1022, 1204, 1288, 1460, 1505, 1610, 1679, 1720, 1978, 2044, 2408, 2555, 2920, 3010, 3139, 3220, 3358, 3956, 4088, 4945, 5110, 6020, 6278, 6440, 6716, 6923, 7912, 8395, 9890, 10220, 11753, 12040, 12556, 13432, 13846, 15695, 16790, 19780, 20440, 21973, 23506, 25112, 27692, 31390, 33580, 34615, 39560, 43946, 47012, 55384, 58765, 62780, 67160, 69230, 72197, 87892, 94024, 109865, 117530, 125560, 138460, 144394, 175784, 219730, 235060, 276920, 288788, 360985, 439460, 470120, 505379, 577576, 721970, 878920, 1010758, 1443940, 2021516, 2526895, 2887880, 4043032, 5053790, 10107580, 20215160]

約数ペア:
[(1, 20215160), (2, 10107580), (4, 5053790), (5, 4043032), (7, 2887880), (8, 2526895), (10, 2021516), (14, 1443940), (20, 1010758), (23, 878920), (28, 721970), (35, 577576), (40, 505379), (43, 470120), (46, 439460), (56, 360985), (70, 288788), (73, 276920), (86, 235060), (92, 219730), (115, 175784), (140, 144394), (146, 138460), (161, 125560), (172, 117530), (184, 109865), (215, 94024), (230, 87892), (280, 72197), (292, 69230), (301, 67160), (322, 62780), (344, 58765), (365, 55384), (430, 47012), (460, 43946), (511, 39560), (584, 34615), (602, 33580), (644, 31390), (730, 27692), (805, 25112), (860, 23506), (920, 21973), (989, 20440), (1022, 19780), (1204, 16790), (1288, 15695), (1460, 13846), (1505, 13432), (1610, 12556), (1679, 12040), (1720, 11753), (1978, 10220), (2044, 9890), (2408, 8395), (2555, 7912), (2920, 6923), (3010, 6716), (3139, 6440), (3220, 6278), (3358, 6020), (3956, 5110), (4088, 4945)]

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