20004388925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{14071}}^1$

素因数の和:14214

約数の個数: 48

約数和(自身を含む): 27116181120

約数和(自身を除く): 7111792195

約数列:

[1, 5, 19, 25, 41, 73, 95, 205, 365, 475, 779, 1025, 1387, 1825, 2993, 3895, 6935, 14071, 14965, 19475, 34675, 56867, 70355, 74825, 267349, 284335, 351775, 576911, 1027183, 1336745, 1421675, 2884555, 5135915, 6683725, 10961309, 14422775, 19516477, 25679575, 42114503, 54806545, 97582385, 210572515, 274032725, 487911925, 800175557, 1052862575, 4000877785, 20004388925]

約数ペア:

[(1, 20004388925), (5, 4000877785), (19, 1052862575), (25, 800175557), (41, 487911925), (73, 274032725), (95, 210572515), (205, 97582385), (365, 54806545), (475, 42114503), (779, 25679575), (1025, 19516477), (1387, 14422775), (1825, 10961309), (2993, 6683725), (3895, 5135915), (6935, 2884555), (14071, 1421675), (14965, 1336745), (19475, 1027183), (34675, 576911), (56867, 351775), (70355, 284335), (74825, 267349)]