20199755975

素因数分解:

$5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1231}}^1\times {\mathrm{2287}}^1$

素因数の和:3576

約数の個数: 48

約数和(自身を含む): 29360787456

約数和(自身を除く): 9161031481

約数列:

[1, 5, 7, 25, 35, 41, 175, 205, 287, 1025, 1231, 1435, 2287, 6155, 7175, 8617, 11435, 16009, 30775, 43085, 50471, 57175, 80045, 93767, 215425, 252355, 353297, 400225, 468835, 656369, 1261775, 1766485, 2344175, 2815297, 3281845, 8832425, 14076485, 16409225, 19707079, 70382425, 98535395, 115427177, 492676975, 577135885, 807990239, 2885679425, 4039951195, 20199755975]

約数ペア:

[(1, 20199755975), (5, 4039951195), (7, 2885679425), (25, 807990239), (35, 577135885), (41, 492676975), (175, 115427177), (205, 98535395), (287, 70382425), (1025, 19707079), (1231, 16409225), (1435, 14076485), (2287, 8832425), (6155, 3281845), (7175, 2815297), (8617, 2344175), (11435, 1766485), (16009, 1261775), (30775, 656369), (43085, 468835), (50471, 400225), (57175, 353297), (80045, 252355), (93767, 215425)]