20963600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{7487}}^1$

素因数の和:7512

約数の個数: 60

約数和(自身を含む): 57567744

約数和(自身を除く): 36604144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 7487, 14974, 29948, 37435, 52409, 59896, 74870, 104818, 119792, 149740, 187175, 209636, 262045, 299480, 374350, 419272, 524090, 598960, 748700, 838544, 1048180, 1310225, 1497400, 2096360, 2620450, 2994800, 4192720, 5240900, 10481800, 20963600]

約数ペア:

[(1, 20963600), (2, 10481800), (4, 5240900), (5, 4192720), (7, 2994800), (8, 2620450), (10, 2096360), (14, 1497400), (16, 1310225), (20, 1048180), (25, 838544), (28, 748700), (35, 598960), (40, 524090), (50, 419272), (56, 374350), (70, 299480), (80, 262045), (100, 209636), (112, 187175), (140, 149740), (175, 119792), (200, 104818), (280, 74870), (350, 59896), (400, 52409), (560, 37435), (700, 29948), (1400, 14974), (2800, 7487)]