20020320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13903}}^1$

素因数の和:13924

約数の個数: 72

約数和(自身を含む): 68324256

約数和(自身を除く): 48303936

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 13903, 27806, 41709, 55612, 69515, 83418, 111224, 125127, 139030, 166836, 208545, 222448, 250254, 278060, 333672, 417090, 444896, 500508, 556120, 625635, 667344, 834180, 1001016, 1112240, 1251270, 1334688, 1668360, 2002032, 2224480, 2502540, 3336720, 4004064, 5005080, 6673440, 10010160, 20020320]

約数ペア:

[(1, 20020320), (2, 10010160), (3, 6673440), (4, 5005080), (5, 4004064), (6, 3336720), (8, 2502540), (9, 2224480), (10, 2002032), (12, 1668360), (15, 1334688), (16, 1251270), (18, 1112240), (20, 1001016), (24, 834180), (30, 667344), (32, 625635), (36, 556120), (40, 500508), (45, 444896), (48, 417090), (60, 333672), (72, 278060), (80, 250254), (90, 222448), (96, 208545), (120, 166836), (144, 139030), (160, 125127), (180, 111224), (240, 83418), (288, 69515), (360, 55612), (480, 41709), (720, 27806), (1440, 13903)]