20081520

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{1033}}^1$

素因数の和:1061

約数の個数: 120

約数和(自身を含む): 70005936

約数和(自身を除く): 49924416

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1033, 1080, 1215, 1296, 1620, 1944, 2066, 2160, 2430, 3099, 3240, 3888, 4132, 4860, 5165, 6198, 6480, 8264, 9297, 9720, 10330, 12396, 15495, 16528, 18594, 19440, 20660, 24792, 27891, 30990, 37188, 41320, 46485, 49584, 55782, 61980, 74376, 82640, 83673, 92970, 111564, 123960, 139455, 148752, 167346, 185940, 223128, 247920, 251019, 278910, 334692, 371880, 418365, 446256, 502038, 557820, 669384, 743760, 836730, 1004076, 1115640, 1255095, 1338768, 1673460, 2008152, 2231280, 2510190, 3346920, 4016304, 5020380, 6693840, 10040760, 20081520]

約数ペア:

[(1, 20081520), (2, 10040760), (3, 6693840), (4, 5020380), (5, 4016304), (6, 3346920), (8, 2510190), (9, 2231280), (10, 2008152), (12, 1673460), (15, 1338768), (16, 1255095), (18, 1115640), (20, 1004076), (24, 836730), (27, 743760), (30, 669384), (36, 557820), (40, 502038), (45, 446256), (48, 418365), (54, 371880), (60, 334692), (72, 278910), (80, 251019), (81, 247920), (90, 223128), (108, 185940), (120, 167346), (135, 148752), (144, 139455), (162, 123960), (180, 111564), (216, 92970), (240, 83673), (243, 82640), (270, 74376), (324, 61980), (360, 55782), (405, 49584), (432, 46485), (486, 41320), (540, 37188), (648, 30990), (720, 27891), (810, 24792), (972, 20660), (1033, 19440), (1080, 18594), (1215, 16528), (1296, 15495), (1620, 12396), (1944, 10330), (2066, 9720), (2160, 9297), (2430, 8264), (3099, 6480), (3240, 6198), (3888, 5165), (4132, 4860)]