20769917620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1420651}}^1$

素因数の和:1420720

約数の個数: 48

約数和(自身を含む): 47256568128

約数和(自身を除く): 26486650508

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2924, 3655, 7310, 14620, 1420651, 2841302, 5682604, 7103255, 14206510, 24151067, 28413020, 48302134, 61087993, 96604268, 120755335, 122175986, 241510670, 244351972, 305439965, 483021340, 610879930, 1038495881, 1221759860, 2076991762, 4153983524, 5192479405, 10384958810, 20769917620]

約数ペア:

[(1, 20769917620), (2, 10384958810), (4, 5192479405), (5, 4153983524), (10, 2076991762), (17, 1221759860), (20, 1038495881), (34, 610879930), (43, 483021340), (68, 305439965), (85, 244351972), (86, 241510670), (170, 122175986), (172, 120755335), (215, 96604268), (340, 61087993), (430, 48302134), (731, 28413020), (860, 24151067), (1462, 14206510), (2924, 7103255), (3655, 5682604), (7310, 2841302), (14620, 1420651)]